scsi: qla2xxx: Fix FCP-SCSI FC4 flag passing error

This patch fixes issue where incorrect flag was used for sending
switch commands.

Link: https://lore.kernel.org/r/20200226224022.24518-5-hmadhani@marvell.com


Fixes: e8c72ba5 ("[SCSI] qla2xxx: Use GFF_ID to check FCP-SCSI FC4 type before logging into Nx_Ports")
Fixes: a4239945 ("scsi: qla2xxx: Add switch command to simplify fabric discovery")
Signed-off-by: Himanshu Madhani <hmadhani@marvell.com>
Signed-off-by: Quinn Tran <qutran@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>