Merge remote-tracking branch 'mst/tags/for_anthony' into staging

Merge remote-tracking branch 'mst/tags/for_anthony' into staging

* mst/tags/for_anthony:
  e1000: set E1000_ICR_INT_ASSERTED only for 8257x
  e1000: link auto-negotiation emulation
  e1000: introduce bit for debugging PHY emulation
  e1000: introduce helpers to manipulate link status
  e1000: PHY loopback mode support
  e1000: conditionally raise irq at the end of MDI cycle
  e1000: introduce bits of PHY control register
  eepro100: Fix multicast regression
  virtio: order index/descriptor reads
  virtio: add missing mb() on enable notification
  virtio: add missing mb() on notification
  e1000: move reset function earlier in file