net: ethernet: stmmac: add adaptation for stm32mp157c.
Glue codes to support stm32mp157c device and stay compatible with stm32 mcu familly Signed-off-by: Christophe Roullier <christophe.roullier@st.com> Acked-by: Alexandre TORGUE <alexandre.torgue@st.com> Signed-off-by: David S. Miller <davem@davemloft.net>