ARM: EXYNOS: fix ISO C90 warning

ISO C90 forbids mixed declarations and code.
Fix it.

Signed-off-by: Il Han <[email protected]>
Signed-off-by: Kukjin Kim <[email protected]>

Author: Il Han

arch/arm/mach-exynos/common.c

@@ -583,10 +583,11 @@ core_initcall(exynos_core_init);
 #ifdef CONFIG_CACHE_L2X0
 static int __init exynos4_l2x0_cache_init(void)
 {
+	int ret;
+
 	if (soc_is_exynos5250())
 		return 0;
 
-	int ret;
 	ret = l2x0_of_init(L2_AUX_VAL, L2_AUX_MASK);
 	if (!ret) {
 		l2x0_regs_phys = virt_to_phys(&l2x0_saved_regs);