ARM: mvebu: add serial port aliases on Armada 370/375/38x/XP

This commit adds 'serialX' aliases for the various serial ports on
Armada 370, 375, 38x and XP platforms. It will allow the usage of the
stdout-path property.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>

arch/arm/boot/dts/armada-370-xp.dtsi

@@ -59,6 +59,8 @@
 	compatible = "marvell,armada-370-xp";
 
 	aliases {
+		serial0 = &uart0;
+		serial1 = &uart1;
 	};
 
 	cpus {

arch/arm/boot/dts/armada-375.dtsi

@@ -60,6 +60,8 @@
 		gpio0 = &gpio0;
 		gpio1 = &gpio1;
 		gpio2 = &gpio2;
+		serial0 = &uart0;
+		serial1 = &uart1;
 	};
 
 	clocks {

arch/arm/boot/dts/armada-38x.dtsi

@@ -59,6 +59,8 @@
 	aliases {
 		gpio0 = &gpio0;
 		gpio1 = &gpio1;
+		serial0 = &uart0;
+		serial1 = &uart1;
 	};
 
 	soc {

arch/arm/boot/dts/armada-xp.dtsi

@@ -57,6 +57,8 @@
 	compatible = "marvell,armadaxp", "marvell,armada-370-xp";
 
 	aliases {
+		serial2 = &uart2;
+		serial3 = &uart3;
 	};
 
 	soc {