crypto: testmgr - Reenable rfc4106 test

Now that all implementations of rfc4106 have been converted we can
reenable the test.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

crypto/testmgr.c

@@ -3492,7 +3492,7 @@ static const struct alg_test_desc alg_test_descs[] = {
 			}
 		}
 	}, {
-		.alg = "rfc4106(gcm(aes))-disabled",
+		.alg = "rfc4106(gcm(aes))",
 		.test = alg_test_aead,
 		.fips_allowed = 1,
 		.suite = {