Crypto: skip ECDSA SHA384 test for legacy Crypto driver

Only the CC3XX driver supports SHA384, the legacy driver does not.
Therefore, skip the test for the latter.

Signed-off-by: Amjad Ouled-Ameur <amjad.ouled-ameur@arm.com>
Change-Id: I86f694f398f7e7d03d2bfa8935bdd9430c29037e
4 files changed