ARM: dts: uniphier: use stdout-path instead of console

Sync device trees with Linux.

Linux commit: 06ff6b2d63210922a1b1d0f4997e29ce75b5e0c0
Signed-off-by: NMasahiro Yamada <yamada.masahiro@socionext.com>

arch/arm/dts/uniphier-ph1-ld4-ref.dts

@@ -20,8 +20,7 @@
 	};
 
 	chosen {
-		bootargs = "console=ttyS0,115200";
-		stdout-path = &serial0;
+		stdout-path = "serial0:115200n8";
 	};
 
 	aliases {

arch/arm/dts/uniphier-ph1-ld6b-ref.dts

@@ -20,8 +20,7 @@
 	};
 
 	chosen {
-		bootargs = "console=ttyS0,115200";
-		stdout-path = &serial0;
+		stdout-path = "serial0:115200n8";
 	};
 
 	aliases {

arch/arm/dts/uniphier-ph1-pro4-ref.dts

@@ -20,8 +20,7 @@
 	};
 
 	chosen {
-		bootargs = "console=ttyS0,115200";
-		stdout-path = &serial0;
+		stdout-path = "serial0:115200n8";
 	};
 
 	aliases {

arch/arm/dts/uniphier-ph1-pro5-4kbox.dts

@@ -19,8 +19,7 @@
 	};
 
 	chosen {
-		bootargs = "console=ttyS1,115200";
-		stdout-path = &serial1;
+		stdout-path = "serial1:115200n8";
 	};
 
 	aliases {

arch/arm/dts/uniphier-ph1-sld3-ref.dts

@@ -21,8 +21,7 @@
 	};
 
 	chosen {
-		bootargs = "console=ttyS0,115200";
-		stdout-path = &serial0;
+		stdout-path = "serial0:115200n8";
 	};
 
 	aliases {

arch/arm/dts/uniphier-ph1-sld8-ref.dts

@@ -20,8 +20,7 @@
 	};
 
 	chosen {
-		bootargs = "console=ttyS0,115200";
-		stdout-path = &serial0;
+		stdout-path = "serial0:115200n8";
 	};
 
 	aliases {

arch/arm/dts/uniphier-proxstream2-gentil.dts

@@ -19,8 +19,7 @@
 	};
 
 	chosen {
-		bootargs = "console=ttyS2,115200";
-		stdout-path = &serial2;
+		stdout-path = "serial2:115200n8";
 	};
 
 	aliases {

arch/arm/dts/uniphier-proxstream2-vodka.dts

@@ -19,8 +19,7 @@
 	};
 
 	chosen {
-		bootargs = "console=ttyS2,115200";
-		stdout-path = &serial2;
+		stdout-path = "serial2:115200n8";
 	};
 
 	aliases {