arm: exynos: fix set_mmc_clk for exynos4x12

Fix the set_mmc_clk() for exnos4x12.
If board is exynos4x12, mmc clock should be set to wrong value.

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
diff --git a/arch/arm/cpu/armv7/exynos/clock.c b/arch/arm/cpu/armv7/exynos/clock.c
index 36fedd6..84a5047 100644
--- a/arch/arm/cpu/armv7/exynos/clock.c
+++ b/arch/arm/cpu/armv7/exynos/clock.c
@@ -1410,7 +1410,8 @@
 	else {
 		if (proid_is_exynos4412())
 			exynos4x12_set_mmc_clk(dev_index, div);
-		exynos4_set_mmc_clk(dev_index, div);
+		else
+			exynos4_set_mmc_clk(dev_index, div);
 	}
 }