extcon: max8997: use dev_err() instead of pr_err()

dev_err() is more preferred than pr_err().
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com>

drivers/extcon/extcon-max8997.c

@@ -646,7 +646,7 @@ static void max8997_muic_detect_cable_wq(struct work_struct *work)
 
 	ret = max8997_muic_detect_dev(info);
 	if (ret < 0)
-		pr_err("failed to detect cable type\n");
+		dev_err(info->dev, "failed to detect cable type\n");
 }
 
 static int max8997_muic_probe(struct platform_device *pdev)