Add the individual licenses under a new top-level directory named
"LICENSES". Each license file includes its related SPDX tags.
Signed-off-by: Stefano Stabellini <stefano.stabellini@amd.com>
Acked-by: Julien Grall <jgrall@amazon.com>
Release-acked-by: Henry Wang <Henry.Wang@arm.com>
