fix(psa): fix P-384 PSA key signature verification

The buffer size allocated for the raw ECDSA signatures
was too small for P-384 signatures. This led to mbedtls
aborting the generation of the raw sig.

Fix this by increasing the buffer size to the required
value.

Change-Id: I06a9cfe1f4cb2603c5fbe945714e90460c24edb8
Signed-off-by: Ryan Everett <ryan.everett@arm.com>
1 file changed