SPM: Align 'psa_reply' return type

'psa_reply' implementation now uses 'psa_status_t' as return type
for better alignment, as the logic return status are PSA statuses.

Change-Id: I6294d873aa718c85b1a6775f25fe2e0ed1f3c25d
Signed-off-by: Ken Liu <Ken.Liu@arm.com>
4 files changed