scsi: smartpqi: Fix a name typo and cleanup code

Rename the function pqi_is_io_high_priority() to pqi_is_io_high_priority().
Remove 2 unnecessary lines from the function, and adjusted the white space.

Link: https://lore.kernel.org/r/164375209818.440833.10908948825731635853.stgit@brunhilda.pdev.net


Reviewed-by: Mike McGowen <mike.mcgowen@microchip.com>
Reviewed-by: Scott Benesh <scott.benesh@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>