leds: use dev_get_platdata()

Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Bryan Wu <cooloney@gmail.com>

drivers/leds/leds-da903x.c

@@ -93,7 +93,7 @@ static void da903x_led_set(struct led_classdev *led_cdev,
 
 static int da903x_led_probe(struct platform_device *pdev)
 {
-	struct led_info *pdata = pdev->dev.platform_data;
+	struct led_info *pdata = dev_get_platdata(&pdev->dev);
 	struct da903x_led *led;
 	int id, ret;