ix(4) on OpenBSD

The text 644703637a64, as OpenBSD 7.6, OpenBSD 7.5, OpenBSD 7.4, OpenBSD 7.3, OpenBSD 7.2, OpenBSD 7.1 shipped it.

Intel 82598/82599/X540/X550 PCI Express 100/1Gb/10Gb Ethernet device