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

- DM9000 DM support
- tftp server bug fix
- mdio ofnode support functions
- Various phy fixes and improvements.

Then fix-up some conflicts in other PHY changes that have come in
recently.

Signed-off-by: Tom Rini <trini@konsulko.com>