arm64: dts: marvell: espressobin: add ethernet alias

commit 5253cb8 upstream.

The maker of this board and its variants, stores MAC address in U-Boot
environment. Add alias for bootloader to recognise, to which ethernet
node inject the factory MAC address.

Signed-off-by: Tomasz Maciej Nowak <tmn505@gmail.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
[pali: Backported to 5.4 and older versions]
Signed-off-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

arch/arm64/boot/dts/marvell/armada-3720-espressobin.dts

@@ -19,6 +19,12 @@
 	model = "Globalscale Marvell ESPRESSOBin Board";
 	compatible = "globalscale,espressobin", "marvell,armada3720", "marvell,armada3710";
 
+	aliases {
+		ethernet0 = &eth0;
+		serial0 = &uart0;
+		serial1 = &uart1;
+	};
+
 	chosen {
 		stdout-path = "serial0:115200n8";
 	};