Crypto: Add support for Hash functionalities

This patch introduces support for the Hash functionalities
exposed by the PSA Crypto API, and adds a set of tests to
the Regression test suite to validate the API functions.

Change-Id: I4169b7a1a7a04140d557edef4e9d86a9c6ae0f50
Signed-off-by: Antonio de Angelis <antonio.deangelis@arm.com>
11 files changed