STM32 DWMAC support

modulename: dwmac-stm32.ko

configname: CONFIG_DWMAC_STM32

Linux Kernel Configuration
└─>Device Drivers
└─>Network device support
└─>Ethernet driver support
└─>Device Tree and Open Firmware support
└─>STM32 DWMAC support
In linux kernel since version 4.1 (release Date: 2015-06-21)  
Support for ethernet controller on STM32 SOCs.

This selects STM32 SoC glue layer support for the stmmac
device driver. This driver is used on for the STM32 series
SOCs GMAC ethernet controller.

source code:
drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c