leds: Convert from struct class_device to struct device

Convert the LEDs class from struct class_device to struct device
since class_device is scheduled for removal.

Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/leds/leds-locomo.c b/drivers/leds/leds-locomo.c
index 6f2d449..bfac499 100644
--- a/drivers/leds/leds-locomo.c
+++ b/drivers/leds/leds-locomo.c
@@ -19,7 +19,7 @@
 static void locomoled_brightness_set(struct led_classdev *led_cdev,
 				enum led_brightness value, int offset)
 {
-	struct locomo_dev *locomo_dev = LOCOMO_DEV(led_cdev->class_dev->dev);
+	struct locomo_dev *locomo_dev = LOCOMO_DEV(led_cdev->dev);
 	unsigned long flags;
 
 	local_irq_save(flags);