ARM: dts: sun7i: olinuxino-micro: Enable the EMAC

The A20-olinuxino-micro has the EMAC wired in. Enable it in the DT so
that we can use it.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Olof Johansson <olof@lixom.net>

arch/arm/boot/dts/sun7i-a20-olinuxino-micro.dts

@@ -19,6 +19,21 @@ / {
 	compatible = "olimex,a20-olinuxino-micro", "allwinner,sun7i-a20";
 
 	soc@01c00000 {
+		emac: ethernet@01c0b000 {
+			pinctrl-names = "default";
+			pinctrl-0 = <&emac_pins_a>;
+			phy = <&phy1>;
+			status = "okay";
+		};
+
+		mdio@01c0b080 {
+			status = "okay";
+
+			phy1: ethernet-phy@1 {
+				reg = <1>;
+			};
+		};
+
 		pinctrl@01c20800 {
 			led_pins_olinuxino: led_pins@0 {
 				allwinner,pins = "PH2";