boards/arm/kl: migrate to SPDX identifier

Most tools used for compliance and SBOM generation use SPDX identifiers
This change brings us a step closer to an easy SBOM generation.

Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>

boards/arm/kl/freedom-kl25z/include/board.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/arm/kl/freedom-kl25z/include/board.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

boards/arm/kl/freedom-kl25z/scripts/Make.defs

@@ -1,6 +1,8 @@
 ############################################################################
 # boards/arm/kl/freedom-kl25z/scripts/Make.defs
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

boards/arm/kl/freedom-kl25z/scripts/freedom-kl25z.ld

@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/arm/kl/freedom-kl25z/scripts/freedom-kl25z.ld
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

boards/arm/kl/freedom-kl25z/src/Makefile

@@ -1,6 +1,8 @@
 ############################################################################
 # boards/arm/kl/freedom-kl25z/src/Makefile
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

boards/arm/kl/freedom-kl25z/src/freedom-kl25z.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/arm/kl/freedom-kl25z/src/freedom-kl25z.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

boards/arm/kl/freedom-kl25z/src/kl_adxl345.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/arm/kl/freedom-kl25z/src/kl_adxl345.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

boards/arm/kl/freedom-kl25z/src/kl_appinit.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/arm/kl/freedom-kl25z/src/kl_appinit.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

boards/arm/kl/freedom-kl25z/src/kl_boardinitialize.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/arm/kl/freedom-kl25z/src/kl_boardinitialize.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

boards/arm/kl/freedom-kl25z/src/kl_led.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/arm/kl/freedom-kl25z/src/kl_led.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

boards/arm/kl/freedom-kl25z/src/kl_pwm.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/arm/kl/freedom-kl25z/src/kl_pwm.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

boards/arm/kl/freedom-kl25z/src/kl_spi.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/arm/kl/freedom-kl25z/src/kl_spi.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

boards/arm/kl/freedom-kl25z/src/kl_tsi.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/arm/kl/freedom-kl25z/src/kl_tsi.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

boards/arm/kl/freedom-kl26z/include/board.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/arm/kl/freedom-kl26z/include/board.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

boards/arm/kl/freedom-kl26z/scripts/Make.defs

@@ -1,6 +1,8 @@
 ############################################################################
 # boards/arm/kl/freedom-kl26z/scripts/Make.defs
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

boards/arm/kl/freedom-kl26z/scripts/freedom-kl26z.ld

@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/arm/kl/freedom-kl26z/scripts/freedom-kl26z.ld
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

boards/arm/kl/freedom-kl26z/src/Makefile

@@ -1,6 +1,8 @@
 ############################################################################
 # boards/arm/kl/freedom-kl26z/src/Makefile
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

boards/arm/kl/freedom-kl26z/src/freedom-kl26z.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/arm/kl/freedom-kl26z/src/freedom-kl26z.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

boards/arm/kl/freedom-kl26z/src/kl_appinit.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/arm/kl/freedom-kl26z/src/kl_appinit.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

boards/arm/kl/freedom-kl26z/src/kl_boardinitialize.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/arm/kl/freedom-kl26z/src/kl_boardinitialize.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

boards/arm/kl/freedom-kl26z/src/kl_led.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/arm/kl/freedom-kl26z/src/kl_led.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

boards/arm/kl/freedom-kl26z/src/kl_pwm.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/arm/kl/freedom-kl26z/src/kl_pwm.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

boards/arm/kl/freedom-kl26z/src/kl_spi.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/arm/kl/freedom-kl26z/src/kl_spi.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

boards/arm/kl/freedom-kl26z/src/kl_tsi.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/arm/kl/freedom-kl26z/src/kl_tsi.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

boards/arm/kl/teensy-lc/include/board.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/arm/kl/teensy-lc/include/board.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

boards/arm/kl/teensy-lc/scripts/Make.defs

@@ -1,6 +1,8 @@
 ############################################################################
 # boards/arm/kl/teensy-lc/scripts/Make.defs
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

boards/arm/kl/teensy-lc/scripts/teensy-lc.ld

@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/arm/kl/teensy-lc/scripts/teensy-lc.ld
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

boards/arm/kl/teensy-lc/src/Makefile

@@ -1,6 +1,8 @@
 ############################################################################
 # boards/arm/kl/teensy-lc/src/Makefile
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

boards/arm/kl/teensy-lc/src/kl_appinit.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/arm/kl/teensy-lc/src/kl_appinit.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

boards/arm/kl/teensy-lc/src/kl_boardinitialize.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/arm/kl/teensy-lc/src/kl_boardinitialize.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

boards/arm/kl/teensy-lc/src/kl_led.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/arm/kl/teensy-lc/src/kl_led.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

boards/arm/kl/teensy-lc/src/kl_pwm.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/arm/kl/teensy-lc/src/kl_pwm.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

boards/arm/kl/teensy-lc/src/kl_spi.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/arm/kl/teensy-lc/src/kl_spi.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

boards/arm/kl/teensy-lc/src/teensy-lc.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * boards/arm/kl/teensy-lc/src/teensy-lc.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The