powerpc/83xx: use for_each_node_by_name for km83xx.c

Signed-off-by: NHolger Brunck <holger.brunck@keymile.com>
cc: Heiko Schocher <hs@denx.de>
Signed-off-by: NKumar Gala <galak@kernel.crashing.org>

arch/powerpc/platforms/83xx/km83xx.c

@@ -70,7 +70,7 @@ static void __init mpc83xx_km_setup_arch(void)
 		for_each_node_by_name(np, "spi")
 			par_io_of_config(np);
 
-		for (np = NULL; (np = of_find_node_by_name(np, "ucc")) != NULL;)
+		for_each_node_by_name(np, "ucc")
 			par_io_of_config(np);
 	}