ALSA: hda - Convert from takslet_hi_schedule() to tasklet_schedule()

Replace all tasklet_hi_schedule() callers with the normal
tasklet_schedule().  The former often causes troubles with
RT-kernels, and has actually no merit.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/core/timer.c b/sound/core/timer.c
index c584408..7965320 100644
--- a/sound/core/timer.c
+++ b/sound/core/timer.c
@@ -743,7 +743,7 @@
 	spin_unlock_irqrestore(&timer->lock, flags);
 
 	if (use_tasklet)
-		tasklet_hi_schedule(&timer->task_queue);
+		tasklet_schedule(&timer->task_queue);
 }
 
 /*