drm/mediatek: Make use of the helper component_compare_of

Use the common compare helper from component.

Cc: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Cc: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: NYong Wu <yong.wu@mediatek.com>
Link: https://lore.kernel.org/r/20220214060819.7334-8-yong.wu@mediatek.comSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/gpu/drm/mediatek/mtk_drm_drv.c

@@ -369,11 +369,6 @@ static const struct drm_driver mtk_drm_driver = {
 	.minor = DRIVER_MINOR,
 };
 
-static int compare_of(struct device *dev, void *data)
-{
-	return dev->of_node == data;
-}
-
 static int mtk_drm_bind(struct device *dev)
 {
 	struct mtk_drm_private *private = dev_get_drvdata(dev);
@@ -614,7 +609,7 @@ static int mtk_drm_probe(struct platform_device *pdev)
 		    comp_type == MTK_DSI) {
 			dev_info(dev, "Adding component match for %pOF\n",
 				 node);
-			drm_of_component_match_add(dev, &match, compare_of,
+			drm_of_component_match_add(dev, &match, component_compare_of,
 						   node);
 		}