drm/mediatek: Replace custom compare_dev with component_compare_of

Remove the custom device comparison function compare_dev and replace it
with the existing kernel helper component_compare_of

Signed-off-by: Tang Dongxing <tang.dongxing@zte.com.cn>
Signed-off-by: Shao Mingyin <shao.mingyin@zte.com.cn>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://patchwork.kernel.org/project/dri-devel/patch/20250403155419406T5YhIJKId1FWor70EWWHG@zte.com.cn/
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>

Author: sparkle-zte

drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c

@@ -492,11 +492,6 @@ static const struct of_device_id mtk_ovl_adaptor_comp_dt_ids[] = {
 	{ /* sentinel */ }
 };
 
-static int compare_of(struct device *dev, void *data)
-{
-	return dev->of_node == data;
-}
-
 static int ovl_adaptor_of_get_ddp_comp_type(struct device_node *node,
 					    enum mtk_ovl_adaptor_comp_type *ctype)
 {
@@ -567,7 +562,7 @@ static int ovl_adaptor_comp_init(struct device *dev, struct component_match **ma
 
 		priv->ovl_adaptor_comp[id] = &comp_pdev->dev;
 
-		drm_of_component_match_add(dev, match, compare_of, node);
+		drm_of_component_match_add(dev, match, component_compare_of, node);
 		dev_dbg(dev, "Adding component match for %pOF\n", node);
 	}