thermal: tegra: Simplify with scoped for each OF child loop

Use scoped for_each_child_of_node_scoped() when iterating over device
nodes to make code a bit simpler.

Reviewed-by: Chen-Yu Tsai <[e-mail]>
Reviewed-by: Jonathan Cameron <[e-mail]>
Signed-off-by: Krzysztof Kozlowski <[e-mail]>
Link: https://patch.msgid.link/[e-mail]
Signed-off-by: Rafael J. Wysocki <[e-mail]>

drivers/thermal/tegra/soctherm.c

···
 {
 	struct device *dev = &pdev->dev;
 	struct tegra_soctherm *ts = dev_get_drvdata(dev);
-	struct device_node *np_stc, *np_stcc;
+	struct device_node *np_stc;
 	const char *name;
 	int i;
 
···
 		return;
 	}
 
-	for_each_child_of_node(np_stc, np_stcc) {
+	for_each_child_of_node_scoped(np_stc, np_stcc) {
 		struct soctherm_throt_cfg *stc;
 		struct thermal_cooling_device *tcd;
 		int err;
···
 
 		if (stc->init) {
 			dev_err(dev, "throttle-cfg: %s: redefined!\n", name);
-			of_node_put(np_stcc);
 			break;
 		}