Remove PHY ID checks. The Linux driver is no longer checking for
the PHY ID because there is only one venor.
ok kevlo@

Use hardware routine for PHY reset and always accept the PHY that's present.

The previously used software reset routine wasn't sufficient to reset the PHY
if the bootloader hadn't left the device in

Use hardware routine for PHY reset and always accept the PHY that's present.

The previously used software reset routine wasn't sufficient to reset the PHY
if the bootloader hadn't left the device in an initialized state.
From FreeBSD.

Bug reported and the fix tested by daniel@

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Add igc(4), a driver for the Intel 2.5Gb Ethernet controllers.

Ported by kevlo@
ok jmatthew@