remoteproc: ti_k3_r5: Simplify with scoped for each OF child loop

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

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20241011-remote-proc-dev-err-probe-v1-4-5abb4fc61eca@linaro.org
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>

Author: krzk

drivers/remoteproc/ti_k3_r5_remoteproc.c

@@ -1650,16 +1650,14 @@ static int k3_r5_cluster_of_init(struct platform_device *pdev)
 	struct device *dev = &pdev->dev;
 	struct device_node *np = dev_of_node(dev);
 	struct platform_device *cpdev;
-	struct device_node *child;
 	struct k3_r5_core *core;
 	int ret;
 
-	for_each_available_child_of_node(np, child) {
+	for_each_available_child_of_node_scoped(np, child) {
 		cpdev = of_find_device_by_node(child);
 		if (!cpdev) {
 			ret = -ENODEV;
 			dev_err(dev, "could not get R5 core platform device\n");
-			of_node_put(child);
 			goto fail;
 		}
 
@@ -1668,7 +1666,6 @@ static int k3_r5_cluster_of_init(struct platform_device *pdev)
 			dev_err(dev, "k3_r5_core_of_init failed, ret = %d\n",
 				ret);
 			put_device(&cpdev->dev);
-			of_node_put(child);
 			goto fail;
 		}