[ALSA] hda-codec - Fix a typo

Fixed a typo in proc file.
Signed-off-by: NTakashi Iwai <tiwai@suse.de>
Signed-off-by: NJaroslav Kysela <perex@suse.cz>

sound/pci/hda/hda_proc.c

@@ -45,7 +45,7 @@ static const char *get_wid_type_name(unsigned int wid_value)
 	if (names[wid_value])
 		return names[wid_value];
 	else
-		return "UNKOWN Widget";
+		return "UNKNOWN Widget";
 }
 
 static void print_amp_caps(struct snd_info_buffer *buffer,