Merge branch 'master' of https://gitlab.denx.de/u-boot/custodians/u-boot-net

Makefile

doc/README.drivers.eth

doc/device-tree-bindings/net/ti,dp83867.txt

doc/driver-model/ethernet.rst

doc/driver-model/index.rst

drivers/net/phy/Kconfig

drivers/net/phy/Makefile

drivers/net/phy/aquantia.c

drivers/net/phy/dp83867.c

drivers/net/phy/marvell.c

drivers/net/phy/ncsi.c

drivers/net/phy/phy.c

env/mmc.c

include/net.h

include/net/ncsi-pkt.h

include/net/ncsi.h

include/phy.h

include/phy_interface.h

net/tftp.c