Thanks to the post by Bryn V.  is was able to enable the RAID features on my LSI SAS 9207-8i controller.
Here are the steps:  *** WARNING *** this could easily brick your controller.  Please read Bryn’s  and others post.

1) download the LSI UEFI installer: “Installer_P15_for_UEFI.zip
2) download the P15 BIOS and Firmware: “9207_8i_Package_P13.5_IR_IT_Firmware_BIOS_for_MSDOS_Windows.zip”
3) Extract to USB Disk “9217-8i.bin”, “mptsas2.rom”, and “sas2flash.efi”
4) Boot to UEFI BIOS
5) At the Shell> prompt  type “map”
6) At the Shell> prompt  type “fs0:”
7) At the Shell> prompt type “sas2flsh.efi -listall"
8) At the Shell> prompt type "sas2flsh.efi -o -e 7"
9) At the Shell> prompt type "sas2flsh.efi -o -f 9217-8i.bin -b mptsas2.rom"
10) At the Shell> prompt type “sas2flsh.efi -listall"

I verified the BIOS was updated and rebooted.