Fix psa_raw_key_agreement status code

The raw_key_agreement operation is using the wrong status code when the
provided buffer is too small, which makes PSA API test 243 fail. Fix
this issue.

Signed-off-by: Balint Dobszay <balint.dobszay@arm.com>
Change-Id: I8d823dd6da2f4d699fc8f1f96e0e4f8e9d854dd2
1 file changed