ALSA: hda - Fix typo in hda_controller.c

This patch fix spelling typo in hda_controller.c.

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/hda/hda_controller.c b/sound/pci/hda/hda_controller.c
index 0cfc9c8..657b604 100644
--- a/sound/pci/hda/hda_controller.c
+++ b/sound/pci/hda/hda_controller.c
@@ -1993,4 +1993,4 @@
 EXPORT_SYMBOL_GPL(azx_notifier_unregister);
 
 MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("Common HDA driver funcitons");
+MODULE_DESCRIPTION("Common HDA driver functions");