scsi: smartpqi: Add support for wwid

WWID has been added to Report Physical LUNs in newer controller
firmware. The presence of this field is detected by a feature bit. Add
detection of this new feature and store the WWID when set.

Link: https://lore.kernel.org/r/161549378041.25025.3869709982357729841.stgit@brunhilda


Reviewed-by: Scott Benesh <scott.benesh@microchip.com>
Reviewed-by: Mike McGowen <mike.mcgowen@microchip.com>
Reviewed-by: Scott Teel <scott.teel@microchip.com>
Signed-off-by: Kevin Barnett <kevin.barnett@microchip.com>
Signed-off-by: Don Brace <don.brace@microchip.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>