Add secure storage PSA API test deployments

Adds build files and test suite specific initialisation for building
and running PSA API tests against secure storage service providers.
Tests may be run in a native PC environment or from Linux userspace
on an Arm based Linux platform.

Signed-off-by: Julian Hall <julian.hall@arm.com>
Change-Id: I58596bd176f3987c026da7c80a5d330b90763848
16 files changed