mfi(4): Add subvendor and subdevice for Fujitsu RAID Controller SAS 6Gbit/s 1GB (D3116)

This is an OEM card from Fujitsu using an LSI SAS2208 ROC controller shipped
with many Fujitsu PRIMERGY servers like RX300 S7. This chip is also recognized
by mrsas(4) under the generic name for the controller chip.

Controller description: https://www.fujitsu.com/global/products/computing/servers/primergy/blades/connection/cb-pmod-110426.html

Reviewed by: ziaee
MFC after: 3 days
Differential Revision: https://reviews.freebsd.org/D54520