EXYNOS5 : FDT: Add Aliases for I2C device

This patch adds aliases for I2C.

Signed-off-by: Rajeshwari Shinde <rajeshwari.s@samsung.com>
Acked-by: Simon Glass <sjg@chromium.org>
Acked-by: Heiko Schocher <hs@denx.de>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>

board/samsung/dts/exynos5250-smdk5250.dts

@@ -16,6 +16,17 @@
 	model = "SAMSUNG SMDK5250 board based on EXYNOS5250";
 	compatible = "samsung,smdk5250", "samsung,exynos5250";
 
+	aliases {
+		i2c0 = "/i2c@12c60000";
+		i2c1 = "/i2c@12c70000";
+		i2c2 = "/i2c@12c80000";
+		i2c3 = "/i2c@12c90000";
+		i2c4 = "/i2c@12ca0000";
+		i2c5 = "/i2c@12cb0000";
+		i2c6 = "/i2c@12cc0000";
+		i2c7 = "/i2c@12cd0000";
+	};
+
 	sromc@12250000 {
 		bank = <1>;
 		srom-timing = <1 9 12 1 6 1 1>;