MediaTek MT27xx GMAC support

modulename: dwmac-mediatek.ko

configname: CONFIG_DWMAC_MEDIATEK

Linux Kernel Configuration
└─>Device Drivers
└─>Network device support
└─>Ethernet driver support
└─>Device Tree and Open Firmware support
└─>MediaTek MT27xx GMAC support
In linux kernel since version 5 (release Date: 2019-03-03)  
Support for MediaTek GMAC Ethernet controller.

This selects the MT2712 SoC support for the stmmac driver.

source code:
drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c