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/configs/pine64_plus_defconfig b/configs/pine64_plus_defconfig
index 0bf79bf..5c97de1 100644
--- a/configs/pine64_plus_defconfig
+++ b/configs/pine64_plus_defconfig
@@ -10,3 +10,4 @@
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
 CONFIG_ENABLE_ARM_SOC_BOOT0_HOOK=y
+CONFIG_SUN8I_EMAC=y