ARM: mvebu: Add ethernet aliases required by U-Boot

The vendor bootloader provided for Armada 375 boards expect an
alias for the ethernet nodes, which is used to fixup the MAC address.
Signed-off-by: Marcin Wojtas <mw@semihalf.com>
Link: https://lkml.kernel.org/r/1405961296-5846-6-git-send-email-ezequiel.garcia@free-electrons.comSigned-off-by: Jason Cooper <jason@lakedaemon.net>

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

@@ -25,6 +25,8 @@ aliases {
 		gpio0 = &gpio0;
 		gpio1 = &gpio1;
 		gpio2 = &gpio2;
+		ethernet0 = &eth0;
+		ethernet1 = &eth1;
 	};
 
 	clocks {