hwmon: (aspeed-pwm-tacho) Call of_node_put() on a node not claimed

Call of_node_put() on a node claimed with of_node_get() or by any other
means such as for_each_child_of_node().

Signed-off-by: Stefan Schaeckeler <sschaeck@cisco.com>
Fixes: 2d7a548a ("drivers: hwmon: Support for ASPEED PWM/Fan tach")
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

drivers/hwmon/aspeed-pwm-tacho.c

@@ -808,7 +808,6 @@ static int aspeed_pwm_tacho_probe(struct platform_device *pdev)
 		if (ret)
 			return ret;
 	}
-	of_node_put(np);
 
 	priv->groups[0] = &pwm_dev_group;
 	priv->groups[1] = &fan_dev_group;