crypto: testmgr - don't print info about missing test for gcm-aes-aesni

Don't print info about missing test for the internal
helper __driver-gcm-aes-aesni

changes in v2:
 - marked test as fips allowed

Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>