rtc: max77686: use dev_info() 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: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/rtc/rtc-max77686.c

@@ -503,7 +503,7 @@ static int max77686_rtc_probe(struct platform_device *pdev)
 	struct max77686_rtc_info *info;
 	int ret, virq;
 
-	printk(KERN_INFO "%s\n", __func__);
+	dev_info(&pdev->dev, "%s\n", __func__);
 
 	info = kzalloc(sizeof(struct max77686_rtc_info), GFP_KERNEL);
 	if (!info)
@@ -542,7 +542,7 @@ static int max77686_rtc_probe(struct platform_device *pdev)
 			&max77686_rtc_ops, THIS_MODULE);
 
 	if (IS_ERR(info->rtc_dev)) {
-		printk(KERN_INFO "%s: fail\n", __func__);
+		dev_info(&pdev->dev, "%s: fail\n", __func__);
 
 		ret = PTR_ERR(info->rtc_dev);
 		dev_err(&pdev->dev, "Failed to register RTC device: %d\n", ret);