ARM: exynos4: dts: add the prefix '/' for aliases nodes

It's correct to use '/' as prefix for aliases nodes.

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
diff --git a/arch/arm/dts/exynos4210-trats.dts b/arch/arm/dts/exynos4210-trats.dts
index f3fac80..2ed38f3 100644
--- a/arch/arm/dts/exynos4210-trats.dts
+++ b/arch/arm/dts/exynos4210-trats.dts
@@ -29,8 +29,8 @@
 		i2c7 = "/i2c@138d0000";
 		serial0 = "/serial@13800000";
 		console = "/serial@13820000";
-		mmc0 = "sdhci@12510000";
-		mmc2 = "sdhci@12530000";
+		mmc0 = "/sdhci@12510000";
+		mmc2 = "/sdhci@12530000";
 	};
 
 	fimd@11c00000 {