Further, remove reliance of mbedtls_md_psa_alg_from_type on
the actual values of the PSA_ALG_... defines.
And work around a prior bug that would try to import a
SubjectPublicKeyInfo into a PSA key. Instead, we import the
SubjectPublicKey itself.
Change-Id: Ib345b0bd4f2994f366629ed162d18814fd05aa2b
Signed-off-by: Jimmy Brisson <jimmy.brisson@arm.com>
(cherry picked from commit 55aed7d798)