ARM: EXYNOS: fix double of_node_put() on error path

The change removes the second of_node_put(), if
for_each_compatible_node() body execution is not terminated. This
prevents from object refcounter overflow over zero in OF_DYNAMIC
build.

Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>

arch/arm/mach-exynos/pm_domains.c

@@ -148,7 +148,6 @@ static __init int exynos4_pm_init_power_domain(void)
 			pr_warn("%s: failed to map memory\n", __func__);
 			kfree_const(pd->pd.name);
 			kfree(pd);
-			of_node_put(np);
 			continue;
 		}