scsi: isci: Use true, false for bool variables

Fix the following coccicheck warning:

drivers/scsi/isci/isci.h:515:1-12: WARNING: Assignment of 0/1 to bool
variable
drivers/scsi/isci/isci.h:503:1-12: WARNING: Assignment of 0/1 to bool
variable
drivers/scsi/isci/isci.h:509:1-12: WARNING: Assignment of 0/1 to bool
variable

Link: https://lore.kernel.org/r/20200421034050.28193-1-yanaijie@huawei.comSigned-off-by: Jason Yan <yanaijie@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/isci/isci.h

@@ -500,19 +500,19 @@ struct sci_timer {
 static inline
 void sci_init_timer(struct sci_timer *tmr, void (*fn)(struct timer_list *t))
 {
-	tmr->cancel = 0;
+	tmr->cancel = false;
 	timer_setup(&tmr->timer, fn, 0);
 }
 
 static inline void sci_mod_timer(struct sci_timer *tmr, unsigned long msec)
 {
-	tmr->cancel = 0;
+	tmr->cancel = false;
 	mod_timer(&tmr->timer, jiffies + msecs_to_jiffies(msec));
 }
 
 static inline void sci_del_timer(struct sci_timer *tmr)
 {
-	tmr->cancel = 1;
+	tmr->cancel = true;
 	del_timer(&tmr->timer);
 }