SPM: Create source file for psa_version & psa_framework_version implementation

This patch moves implementation of psa_version & psa_framework_version
to psa_version_api.c.

Signed-off-by: Xinyu Zhang <xinyu.zhang@arm.com>
Change-Id: Ic6f642a1aae7436d7a8c0d506882d0e82b9215e8
3 files changed