Crypto: Rework the psa_sign_verify_hash_test()

Add the option to run both P-256 and P-384 tests. Also add
a test which exercise directly only the verification part

Signed-off-by: Antonio de Angelis <antonio.deangelis@arm.com>
Change-Id: I2ebb75e0adb40e49d575b0b11bf7eb7da9d9861c
4 files changed