CRIS: Fasttimer: Remove obsolete ifdef

Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>

arch/cris/arch-v10/kernel/fasttimer.c

@@ -467,11 +467,7 @@ timer1_handler(int irq, void *dev_id)
 
 static void wake_up_func(unsigned long data)
 {
-#ifdef DECLARE_WAITQUEUE
-  wait_queue_head_t  *sleep_wait_p = (wait_queue_head_t*)data;
-#else
-  struct wait_queue **sleep_wait_p = (struct wait_queue **)data;
-#endif
+  wait_queue_head_t *sleep_wait_p = (wait_queue_head_t *)data;
   wake_up(sleep_wait_p);
 }