[SPARC]: envctrl: Replace schedule_timeout() with msleep().

Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com>
Signed-off-by: David S. Miller <davem@redhat.com>

drivers/sbus/char/envctrl.c

@@ -1181,8 +1181,7 @@ static void __exit envctrl_cleanup(void)
 			if (!found)
 				break;
 
-			current->state = TASK_INTERRUPTIBLE;
-			schedule_timeout(HZ);
+			msleep(1000);
 		}
 		kenvctrld_task = NULL;
 	}