leds: wm8350: Complain if we fail to reenable DCDC

Provide some trace, though the hardware is most likely non-functional if
this happens.

Signed-off-by: Mark Brown <[e-mail]>
Signed-off-by: Bryan Wu <[e-mail]>

drivers/leds/leds-wm8350.c

···
 	ret = regulator_disable(led->isink);
 	if (ret != 0) {
 		dev_err(led->cdev.dev, "Failed to disable ISINK: %d\n", ret);
-		regulator_enable(led->dcdc);
+		ret = regulator_enable(led->dcdc);
+		if (ret != 0)
+			dev_err(led->cdev.dev, "Failed to reenable DCDC: %d\n",
+				ret);
 		return;
 	}