The '!=' expression itself is bool, no need to convert it to bool again.
This fixes the following coccicheck warning:

drivers/scsi/BusLogic.c:2240:46-51: WARNING: conversion to bool not
needed here

Link: https://lore.kernel.org/r/20200421034120.28433-1-yanaijie@huawei.comAcked-by: Khalid Aziz <khalid@gonehiking.org>
Signed-off-by: Jason Yan <yanaijie@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>