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/drivers/vx/vx_pcm.c b/sound/drivers/vx/vx_pcm.c
index 27de574..6644d00 100644
--- a/sound/drivers/vx/vx_pcm.c
+++ b/sound/drivers/vx/vx_pcm.c
@@ -823,7 +823,7 @@
 		 * we trigger the pipe using tasklet, so that the interrupts are
 		 * issued surely after the trigger is completed.
 		 */ 
-		tasklet_hi_schedule(&pipe->start_tq);
+		tasklet_schedule(&pipe->start_tq);
 		chip->pcm_running++;
 		pipe->running = 1;
 		break;