hwmon: checkpatch cleanup: Replace printk with pr_debug or dev_dbg as appropriate

Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Alistair John Strachan <alistair@devzero.co.uk>
Cc: Henrik Rydberg <rydberg@euromail.se>
Acked-by: Alistair John Strachan <alistair@devzero.co.uk>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c
index b41baff..62c2e32 100644
--- a/drivers/hwmon/applesmc.c
+++ b/drivers/hwmon/applesmc.c
@@ -922,7 +922,7 @@
 	ret = queue_work(applesmc_led_wq, &backlight_work);
 
 	if (debug && (!ret))
-		printk(KERN_DEBUG "applesmc: work was already on the queue.\n");
+		dev_dbg(led_cdev->dev, "work was already on the queue.\n");
 }
 
 static ssize_t applesmc_key_count_show(struct device *dev,