[PATCH] e100: fixed e100 MDI/MDI-X issues

Added patch from Eran Mann to fix following e100 MDI/MDI-X issues
 * MDI/MDI-X autodetection should never be enabled for 82551ER/QM chips
 * enabling this feature based on eeprom settings

Signed-off-by: Mallikarjuna R Chilakala <mallikarjuna.chilakala@intel.com>
Signed-off-by: Ganesh Venkatesan <ganesh.venkatesan@intel.com>
Signed-off-by: John Ronciak <john.ronciak@intel.com>