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/rawmidi.c b/sound/core/rawmidi.c
index 39672f6..002777b 100644
--- a/sound/core/rawmidi.c
+++ b/sound/core/rawmidi.c
@@ -151,7 +151,7 @@
 	if (!substream->opened)
 		return;
 	if (up) {
-		tasklet_hi_schedule(&substream->runtime->tasklet);
+		tasklet_schedule(&substream->runtime->tasklet);
 	} else {
 		tasklet_kill(&substream->runtime->tasklet);
 		substream->ops->trigger(substream, 0);
@@ -908,7 +908,7 @@
 	}
 	if (result > 0) {
 		if (runtime->event)
-			tasklet_hi_schedule(&runtime->tasklet);
+			tasklet_schedule(&runtime->tasklet);
 		else if (snd_rawmidi_ready(substream))
 			wake_up(&runtime->sleep);
 	}