crypto: amcc - Fix module autoload for OF platform driver

This platform driver has a OF device ID table but the OF module
alias information is not created so module autoloading won't work.
Signed-off-by: NLuis de Bethencourt <luis@debethencourt.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

drivers/crypto/amcc/crypto4xx_core.c

@@ -1284,6 +1284,7 @@ static const struct of_device_id crypto4xx_match[] = {
 	{ .compatible      = "amcc,ppc4xx-crypto",},
 	{ },
 };
+MODULE_DEVICE_TABLE(of, crypto4xx_match);
 
 static struct platform_driver crypto4xx_driver = {
 	.driver = {