ALSA: AC97: Fix function name type in comment s/updat/update/

Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/ac97/ac97_codec.c

@@ -383,7 +383,7 @@ int snd_ac97_update_bits(struct snd_ac97 *ac97, unsigned short reg, unsigned sho
 
 EXPORT_SYMBOL(snd_ac97_update_bits);
 
-/* no lock version - see snd_ac97_updat_bits() */
+/* no lock version - see snd_ac97_update_bits() */
 int snd_ac97_update_bits_nolock(struct snd_ac97 *ac97, unsigned short reg,
 				unsigned short mask, unsigned short value)
 {