cciss: Use schedule_timeout_uninterruptible in SCSI error handling code

Use schedule_timeout_uninterruptible instead of schedule_timeout in the
scsi error handling code when waiting between TUR polls since we are not
interested in nor want to be interrupted by signals.
Signed-off-by: Stephen M. Cameron <scameron@beardog.cca.cpqcorp.net>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

drivers/block/cciss_scsi.c

@@ -1608,7 +1608,7 @@ static int wait_for_device_to_become_ready(ctlr_info_t *h,
 		/* Wait for a bit.  do this first, because if we send
 		 * the TUR right away, the reset will just abort it.
 		 */
-		schedule_timeout_interruptible(waittime);
+		schedule_timeout_uninterruptible(waittime);
 		count++;
 
 		/* Increase wait time with each try, up to a point. */