crypto: rsa - Add module alias for pkcs1pad

Add a module alias for pkcs1pas so that it can be auto-loaded by
modprobe.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

crypto/rsa-pkcs1pad.c

@@ -687,3 +687,5 @@ struct crypto_template rsa_pkcs1pad_tmpl = {
 	.create = pkcs1pad_create,
 	.module = THIS_MODULE,
 };
+
+MODULE_ALIAS_CRYPTO("pkcs1pad");