Merge branch 'ethtool-eeprom'

Ido Schimmel says:

====================
ethtool: Module EEPROM API improvements

This patchset contains various improvements to recently introduced
module EEPROM netlink API. Noticed these while adding module EEPROM
write support.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>