feat(rd1ae): select SPMD and disable SPMC exception at S-EL2

For RD-1 AE platform, select SPMD component to relay the FF-A
protocol from NWd to SWd back and forth. Also, disable SPMC
exception level from being at S-EL2.

Change-Id: I7088165d67e36d53eedf8b2258ba4c3cb2c0d12d
Signed-off-by: Ziad Elhanafy <ziad.elhanafy@arm.com>
(cherry picked from commit 29db3b663a9bb69b6fd14a62a7592e5db02baa34)
2 files changed