Integrate block_store backend into PS standalone service context

The standalone service context for the Protected Storage service
has been modified to use the Secure Flash Store with a block store
backend. This makes service testing in the linux_pc environment
closer to testing on real hardware by including block_storage
components in the service deployment.

Signed-off-by: Julian Hall <julian.hall@arm.com>
Change-Id: Ib7ed3e323958b4948a80526c2163cc8b55d4ed74
4 files changed