ARM: at91: Simplify with scoped for each OF child loop

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

Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Reviewed-by: Jonathan Cameron <jonathan.cameron@huawei.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Reviewed-by: Claudiu Beznea <claudiu.beznea@tuxon.dev>
Link: https://patch.msgid.link/20260109-of-for-each-compatible-scoped-v3-2-c22fa2c0749a@oss.qualcomm.com
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>

Author: krzk

arch/arm/mach-at91/pm.c

@@ -982,15 +982,12 @@ static void __init at91_pm_sram_init(void)
 	struct gen_pool *sram_pool;
 	phys_addr_t sram_pbase;
 	unsigned long sram_base;
-	struct device_node *node;
 	struct platform_device *pdev = NULL;
 
-	for_each_compatible_node(node, NULL, "mmio-sram") {
+	for_each_compatible_node_scoped(node, NULL, "mmio-sram") {
 		pdev = of_find_device_by_node(node);
-		if (pdev) {
-			of_node_put(node);
+		if (pdev)
 			break;
-		}
 	}
 
 	if (!pdev) {