feat(el3-spmc): add support to map S-EL0 SP device regions

Add the support to parse SP manifest to get device regions, create xlat
table entries for the SP.

SP running at SEL-0 does not have enough privilege to map the regions
itself.

Signed-off-by: Nishant Sharma <nishant.sharma@arm.com>
Change-Id: I600f51ee62a33443fe7f1c4e007cc6c5ab45222f
1 file changed