Call for test (em/emx/igb update)

[Thomas Nikolajsen]

>Please test this branch with your Intel NICs (em/emx/igb):
>http://gitweb.dragonflybsd.org/~sephe/dragonfly.git/shortlog/refs/heads/em752igb243

em(4) doesn't work on I218, dmesg below.
Just did buildkernel, used world from master, I guess this should be OK.
It works in current master.

 -thomas
-
em0: <Intel(R) PRO/1000 Network Connection PCH_LPTLP_I218_LM 7.5.2> port 0x3080-0x309f mem 0xf063e000-0xf063efff,0xf0600000-0xf061ffff irq 11 at device 25.0 on pci0
em0: Setup of Shared code failed
device_probe_and_attach: em0 attach returned 6