ARM: dts: exynos: Use stdout-path property instead of console in bootargs

Replacing bootargs with stdout-path property in chosen node allows using
early console by adding just 'earlycon' parameter to the kernel command
line.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com>

arch/arm/boot/dts/exynos4412-trats2.dts

@@ -22,6 +22,7 @@ memory@40000000 {
 	};
 
 	chosen {
-		bootargs = "console=ttySAC2,115200N8 root=/dev/mmcblk0p5 rootwait earlyprintk panic=5";
+		bootargs = "root=/dev/mmcblk0p5 rootwait earlyprintk panic=5";
+		stdout-path = "serial2:115200n8";
 	};
 };

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

@@ -24,7 +24,8 @@ memory@40000000 {
 	};
 
 	chosen {
-		bootargs = "root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M console=ttySAC2,115200 init=/linuxrc";
+		bootargs = "root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M init=/linuxrc";
+		stdout-path = "serial2:115200n8";
 	};
 
 	vdd: fixed-regulator-vdd {

arch/arm/boot/dts/exynos5260-xyref5260.dts

@@ -19,7 +19,7 @@ memory@20000000 {
 	};
 
 	chosen {
-		bootargs = "console=ttySAC2,115200";
+		stdout-path = "serial2:115200n8";
 	};
 
 	fin_pll: xxti {

arch/arm/boot/dts/exynos5410-smdk5410.dts

@@ -19,7 +19,7 @@ memory@40000000 {
 	};
 
 	chosen {
-		bootargs = "console=ttySAC2,115200";
+		stdout-path = "serial2:115200n8";
 	};
 
 	fin_pll: xxti {

arch/arm/boot/dts/exynos5420-smdk5420.dts

@@ -21,7 +21,8 @@ memory@20000000 {
 	};
 
 	chosen {
-		bootargs = "console=ttySAC2,115200 init=/linuxrc";
+		bootargs = "init=/linuxrc";
+		stdout-path = "serial2:115200n8";
 	};
 
 	fixed-rate-clocks {