mrsas.4: Add 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.

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/D54566