net: Add EMAC driver for H3/A83T/A64 SoCs.

This patch add EMAC driver support for H3/A83T/A64 SoCs.
Tested on Pine64(A64-External PHY) and Orangepipc(H3-Internal PHY).

BIG Thanks to Andre for providing some of the DT code.

Signed-off-by: Amit Singh Tomar <amittomer25@gmail.com>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
diff --git a/arch/arm/dts/sun8i-h3-orangepi-pc.dts b/arch/arm/dts/sun8i-h3-orangepi-pc.dts
index 30ccca0..0a74a91 100644
--- a/arch/arm/dts/sun8i-h3-orangepi-pc.dts
+++ b/arch/arm/dts/sun8i-h3-orangepi-pc.dts
@@ -173,3 +173,15 @@
 	/* USB VBUS is always on */
 	status = "okay";
 };
+
+&emac {
+	phy = <&phy1>;
+	phy-mode = "mii";
+	allwinner,use-internal-phy;
+	allwinner,leds-active-low;
+	status = "okay";
+
+	phy1: ethernet-phy@1 {
+		reg = <1>;
+	};
+};