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>
-ENODEV is a normal error code for function virtio_register_mmio_device()
because the virtio device is not must be in the mmio register address
Signed-off-by: Bowen Wang <wangbowen6@xiaomi.com>