ARM: dts: use uart2 for console on smdkv310 and smdk5250

Cc: Thomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

arch/arm/boot/dts/exynos4210-smdkv310.dts

@@ -26,7 +26,7 @@ memory {
 	};
 
 	chosen {
-		bootargs = "root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M console=ttySAC1,115200 init=/linuxrc";
+		bootargs = "root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M console=ttySAC2,115200 init=/linuxrc";
 	};
 
 	sdhci@12530000 {

arch/arm/boot/dts/exynos5250-smdk5250.dts

@@ -21,7 +21,7 @@ memory {
 	};
 
 	chosen {
-		bootargs = "root=/dev/ram0 rw ramdisk=8192 console=ttySAC1,115200";
+		bootargs = "root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M console=ttySAC2,115200 init=/linuxrc";
 	};
 
 	i2c@12C60000 {