crypto: picoxcell - 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: Luis de Bethencourt <luis@debethencourt.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

drivers/crypto/picoxcell_crypto.c

@@ -1591,6 +1591,7 @@ static const struct of_device_id spacc_of_id_table[] = {
 	{ .compatible = "picochip,spacc-l2" },
 	{}
 };
+MODULE_DEVICE_TABLE(of, spacc_of_id_table);
 #endif /* CONFIG_OF */
 
 static bool spacc_is_compatible(struct platform_device *pdev,