scsi: isci: Spelling s/configruation/configuration/

Fix misspelling of "configuration".

Link: https://lore.kernel.org/r/20191024152543.30310-1-geert+renesas@glider.be


Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>