video: s3c-fb: use dev_get_platdata()

Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly. This is a cosmetic change
to make the code simpler and enhance the readability.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

drivers/video/s3c-fb.c

@@ -1378,7 +1378,7 @@ static int s3c_fb_probe(struct platform_device *pdev)
 		return -EINVAL;
 	}
 
-	pd = pdev->dev.platform_data;
+	pd = dev_get_platdata(&pdev->dev);
 	if (!pd) {
 		dev_err(dev, "no platform data specified\n");
 		return -EINVAL;