thermal: of-thermal: Print name of device node with error

Make it easier to debug devicetree definition in case of errors.
Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>

drivers/thermal/of-thermal.c

@@ -867,14 +867,14 @@ __init *thermal_of_build_thermal_zone(struct device_node *np)
 
 	ret = of_property_read_u32(np, "polling-delay-passive", &prop);
 	if (ret < 0) {
-		pr_err("missing polling-delay-passive property\n");
+		pr_err("%pOFn: missing polling-delay-passive property\n", np);
 		goto free_tz;
 	}
 	tz->passive_delay = prop;
 
 	ret = of_property_read_u32(np, "polling-delay", &prop);
 	if (ret < 0) {
-		pr_err("missing polling-delay property\n");
+		pr_err("%pOFn: missing polling-delay property\n", np);
 		goto free_tz;
 	}
 	tz->polling_delay = prop;