fix(spmc): Add platform specific routine to set boot info

Add platform specific hook to optionally setup ep_regs
when FF-A boot protocol is not implemented by SP.

Set the arg0 register to the size of secure memory
from either TSP_SEC_MEM_SIZE or BL32_MEM_SIZE if
either of them is defined;

Bug: 284057071
Signed-off-by: Arunachalam Ganapathy <arunachalam.ganapathy@arm.com>
Change-Id: I286fb4acfdff3520ee6c9885b3e45b008c24f09d
2 files changed