Update test case crypto: filter 'rc=-2' for crypto_error_log check

The error log 'rc=-2' shall be filtered out for non-fips mode as it's expected.

[ 294.739588] alg: self-tests for ecb(arc4) using ecb(arc4) failed (rc=-2)

[ 294.751280] alg: self-tests for ecb(tea) using ecb(tea) failed (rc=-2)

Signed-off-by: Zeming LIU zeming.liu@windriver.com