memory: tegra124-emc: 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: Jonathan Cameron <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Krzysztof Kozlowski <[e-mail]>

drivers/memory/tegra/tegra124-emc.c

···
 					  struct device_node *node)
 {
 	int child_count = of_get_child_count(node);
-	struct device_node *child;
 	struct emc_timing *timing;
 	unsigned int i = 0;
 	int err;
···
 
 	emc->num_timings = child_count;
 
-	for_each_child_of_node(node, child) {
+	for_each_child_of_node_scoped(node, child) {
 		timing = &emc->timings[i++];
 
 		err = load_one_timing_from_dt(emc, timing, child);
-		if (err) {
-			of_node_put(child);
+		if (err)
 			return err;
-		}
 	}
 
 	sort(emc->timings, emc->num_timings, sizeof(*timing), cmp_timings,