Fix the following coccicheck warning:

drivers/scsi/fnic/fnic_scsi.c:2627:5-36: WARNING: Comparison of 0/1 to
bool variable

Link: https://lore.kernel.org/r/20200430121718.14970-1-yanaijie@huawei.com


Signed-off-by: Jason Yan <yanaijie@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>