Revert r273060 per discussion with avg@ as we need to make L2ARC
aware of 4K devices and this one is not the right fix anyway.
Add bunch of PCI IDs of Intel Wildcat Point (9 Series) chipsets.

MFC after:	1 week
Merge remote-tracking branch 'freebsd/master' into hardened/current/master
Merge remote-tracking branch 'origin/hardened/current/master' into hardened/current/segvguard