scsi: isci: Spelling s/configruation/configuration/

Fix misspelling of "configuration".

Link: https://lore.kernel.org/r/20191024152543.30310-1-geert+renesas@glider.beSigned-off-by: NGeert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/isci/port_config.c

@@ -147,7 +147,7 @@ static struct isci_port *sci_port_configuration_agent_find_port(
 /**
  *
  * @controller: This is the controller object that contains the port agent
- * @port_agent: This is the port configruation agent for the controller.
+ * @port_agent: This is the port configuration agent for the controller.
  *
  * This routine will validate the port configuration is correct for the SCU
  * hardware.  The SCU hardware allows for port configurations as follows. LP0