add function to support ethtool ops:
- get_reg_length
- get_regs
- get_eeprom_length
- get_eeprom
- set_eeprom
Signed-off-by: Liang-Min Larry Wang <liang-min.wang@intel.com>
Acked-by: Andrew Harvey <agh@cisco.com>
Acked-by: David Harton <dharton@cisco.com>
Acked-by: Konstantin Ananyev <konstantin.ananyev@intel.com>