MFC r252867:

Import HighPoint DC Series Data Center HBA (DC7280 and R750) driver.
This driver works for FreeBSD/i386 and FreeBSD/amd64 platforms.

Many thanks to HighPoint for providing this driver.

(This changeset have not included changes found in 249468 and 246713)
MFC r252857:

Refresh vendor driver version which fixes command queue
full issue with ARC-1214 and ARC-1224.

Many thanks to Areca for continuing to support FreeBSD.

Submitted by:	黃清隆 <ching2048 areca com tw>
MFC r252869:

Update driver with recent vendor improvements, most notably support
of Skyhawk adapters.

Many thanks to Emulex for their continued support of FreeBSD.

Submitted by:	"Duvvuru,Venkat Kumar" <VenkatKumar.Duvvuru Emulex.Com>