Add FF-A v1.1 boot protocol

Implement parsing of the FF-A v1.1 boot protocol. The patch is backwards
compatible since the used boot protocol version can be identified by the
signature field.

Signed-off-by: Balint Dobszay <balint.dobszay@arm.com>
Change-Id: I831d69aadd6bf40f9931bf695e173f1870bf8900
3 files changed