Make RPC caller session SHM size build-time configurable

Introduce RPC_CALLER_SESSION_SHARED_MEMORY_SIZE macro allow setting the
RPC caller session shared memory size from the build system. This only
affects RPC caller sessions created by spffa_service_context.

Signed-off-by: Imre Kis <imre.kis@arm.com>
Change-Id: I41083c0947ed2fa5f6315ee98221e0d035c9a7c8
1 file changed