drm/exynos: Remove redundant use of of_match_ptr macro

'mixer_match_types' is always compiled in. Hence of_match_ptr is not
necessary.
Signed-off-by: NSachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: NInki Dae <inki.dae@samsung.com>

drivers/gpu/drm/exynos/exynos_mixer.c

@@ -1186,8 +1186,7 @@ static int mixer_probe(struct platform_device *pdev)
 
 	if (dev->of_node) {
 		const struct of_device_id *match;
-		match = of_match_node(of_match_ptr(mixer_match_types),
-							  dev->of_node);
+		match = of_match_node(mixer_match_types, dev->of_node);
 		drv = (struct mixer_drv_data *)match->data;
 	} else {
 		drv = (struct mixer_drv_data *)