soc: mediatek: add missing MODULE_DEVICE_TABLE

This patch adds missing MODULE_DEVICE_TABLE definition which generates
correct modalias for automatic loading of this driver when it is built
as an external module.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zou Wei <zou_wei@huawei.com>
Link: https://lore.kernel.org/r/1620705350-104687-1-git-send-email-zou_wei@huawei.comSigned-off-by: Matthias Brugger <matthias.bgg@gmail.com>

drivers/soc/mediatek/mtk-devapc.c

@@ -234,6 +234,7 @@ static const struct of_device_id mtk_devapc_dt_match[] = {
 	}, {
 	},
 };
+MODULE_DEVICE_TABLE(of, mtk_devapc_dt_match);
 
 static int mtk_devapc_probe(struct platform_device *pdev)
 {