MFC r252227:
  Don't blidly clear GPIOs configuration. Just use firmware configured
  one.  This change also fixes non-working traffic LED on BCM57780.
MFC r252402:
  Fix triggering false watchdog timeout when controller is in PAUSE
  state.  Previously it used to check if controller has sent a
  PAUSE frame to the remote peer.
MFC r252404:
  Fix triggering false watchdog timeout as done in bce(4) when
  controller is in PAUSE state.