ARM: dts: sun6i: Turn on gmac on Colombus

We've everything we need to support the gmac on Colombus, turn it on.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

arch/arm/boot/dts/sun6i-a31-colombus.dts

@@ -76,6 +76,18 @@ &ehci1 {
 	status = "okay";
 };
 
+&gmac {
+	pinctrl-names = "default";
+	pinctrl-0 = <&gmac_pins_rgmii_a>;
+	phy = <&phy1>;
+	phy-mode = "rgmii";
+	status = "okay";
+
+	phy1: ethernet-phy@1 {
+		reg = <1>;
+	};
+};
+
 &i2c0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&i2c0_pins_a>;