ARM: dts: vf610: Add alias for ethernet controller

Add alias for FEC ethernet on Vybrid to allow bootloaders (like U-Boot)
patch-in the MAC address using this alias.

Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm/boot/dts/vfxxx.dtsi

@@ -16,6 +16,8 @@
 	aliases {
 		can0 = &can0;
 		can1 = &can1;
+		ethernet0 = &fec0;
+		ethernet1 = &fec1;
 		serial0 = &uart0;
 		serial1 = &uart1;
 		serial2 = &uart2;