e1000e: 82573 can use eerd method to read eeprom

This simplifies the 82571/2/3 family initialization a bit
and removes an initialization table no longer needed.

Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>