mpt2sas: MPI2 Rev AA (2.00.19) specifications

Below is the changeset from the MPI specification and 2.00.34 header
files:

1) Defined additional bits in the BiosOptions field of BIOS Page 1 to
   allow for finer control of X86 BIOS and UEFI BSD.
2) For the Clean Tool, reserved bit 26 of the Flags field for product
   specific use.

Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@avagotech.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>