clk: tegra: tegra124-emc: Simplify with scoped for each OF child loop

Use scoped for-each loop when iterating over device nodes to make code a
bit simpler.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

Author: krzk

drivers/clk/tegra/clk-tegra124-emc.c

@@ -444,7 +444,6 @@ static int load_timings_from_dt(struct tegra_clk_emc *tegra,
 				u32 ram_code)
 {
 	struct emc_timing *timings_ptr;
-	struct device_node *child;
 	int child_count = of_get_child_count(node);
 	int i = 0, err;
 	size_t size;
@@ -458,12 +457,11 @@ static int load_timings_from_dt(struct tegra_clk_emc *tegra,
 	timings_ptr = tegra->timings + tegra->num_timings;
 	tegra->num_timings += child_count;
 
-	for_each_child_of_node(node, child) {
+	for_each_child_of_node_scoped(node, child) {
 		struct emc_timing *timing = timings_ptr + (i++);
 
 		err = load_one_timing_from_dt(tegra, timing, child);
 		if (err) {
-			of_node_put(child);
 			kfree(tegra->timings);
 			return err;
 		}