rtc: rtc-pcf8583: use dev_warn() instead of printk()

Fix the checkpatch warning as below:

  WARNING: Prefer netdev_err(netdev, ... then dev_err(dev, ... then pr_err(...  to printk(KERN_ERR ...
Signed-off-by: NJingoo Han <jg1.han@samsung.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

drivers/rtc/rtc-pcf8583.c

@@ -185,7 +185,7 @@ static int pcf8583_rtc_read_time(struct device *dev, struct rtc_time *tm)
 	if (ctrl & (CTRL_STOP | CTRL_HOLD)) {
 		unsigned char new_ctrl = ctrl & ~(CTRL_STOP | CTRL_HOLD);
 
-		printk(KERN_WARNING "RTC: resetting control %02x -> %02x\n",
+		dev_warn(dev, "resetting control %02x -> %02x\n",
 			ctrl, new_ctrl);
 
 		if ((err = pcf8583_set_ctrl(client, &new_ctrl)) < 0)