ARM: uniphier: add missing of_node_put()

This node pointer is allocated by of_find_compatible_node() in this
function.  It should be put before exitting this function.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

arch/arm/mach-uniphier/platsmp.c

@@ -100,6 +100,7 @@ static int __init uniphier_smp_prepare_trampoline(unsigned int max_cpus)
 
 	np = of_find_compatible_node(NULL, NULL,
 				"socionext,uniphier-system-bus-controller");
+	of_node_put(np);
 	ret = of_address_to_resource(np, 1, &res);
 	if (ret) {
 		pr_err("failed to get resource of system-bus-controller\n");