e1000: print EEPROM/NVM/OROM versions
This is useful for diagnosing problems. In particular, the errata
sheets identify the EEPROM version for many fixes.
Reviewed by: gallatin
MFC after: 1 week
Differential Revision: https://reviews.freebsd.org/D32333
(cherry picked from commit 293663f4da9e8b8aeb106ce3b73a8ed2aa2a8a90)