git: em: Sync w/ intel em-7.3.4

[Sepherosa Ziehau <sephe@xxxxxxxxxxxxxxxxxxxxxxx>]

commit 4f87d70c3489700da4da74f29b61e40090426966
Author: Sepherosa Ziehau <sephe@dragonflybsd.org>
Date:   Wed Feb 6 12:34:35 2013 +0800

    em: Sync w/ intel em-7.3.4
    
    - Move PBA configuration into em_reset(); mainly to put hardware into
      stable state after the driver attached.
    - Add workaround for PCH2 chips during resuming.
    - Fixup flow control parameters for PCH, ICH9, ICH10 and ES2LAN chips.
    - Remove no longer needed ERT setting for PCH2, ICH9 and ICH10 chips.

Summary of changes:
 sys/dev/netif/em/if_em.c | 175 +++++++++++++++++++++++++++--------------------
 1 file changed, 102 insertions(+), 73 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/4f87d70c3489700da4da74f29b61e40090426966


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