regulator: s5m8767: Add missing of_node_put

Add of_node_put to decrement the ref count.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>

drivers/regulator/s5m8767.c

@@ -591,6 +591,8 @@ static int s5m8767_pmic_dt_parse_pdata(struct platform_device *pdev,
 		rmode++;
 	}
 
+	of_node_put(regulators_np);
+
 	if (of_get_property(pmic_np, "s5m8767,pmic-buck2-uses-gpio-dvs", NULL)) {
 		pdata->buck2_gpiodvs = true;