[Intel-wired-lan] [PATCH v4] igc: add support to interrupt, eeprom, registers and link self-tests

[Andre Guedes]

> Introduced igc_diag.c and igc_diag.h, these files have the
> diagnostics functionality of igc driver. For the time being
> these files are being used by ethtool self-test callbacks.
> Which mean that interrupt, eeprom, registers and link self-tests for
> ethtool were implemented.
> 
> Signed-off-by: Vitaly Lifshits <vitaly.lifshits at intel.com>
> Reported-by: kbuild test robot <lkp at intel.com>
> Reported-by: Dan Carpenter <dan.carpenter at oracle.com>

Acked-by: Andre Guedes <andre.guedes at intel.com>