arm64: dts: freescale: imx8-apalis: Add ethernet alias

Add alias for the apalis first ethernet interface, this ensures
consistent interface naming (e.g. `end0`) and this is used by the
firmware to correctly set the MAC address.

Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm64/boot/dts/freescale/imx8-apalis-v1.1.dtsi

@@ -6,6 +6,10 @@
 #include <dt-bindings/pwm/pwm.h>
 
 / {
+	aliases {
+		ethernet0 = &fec1;
+	};
+
 	chosen {
 		stdout-path = &lpuart1;
 	};