sound: convert "sound" subdirectory to UTF-8

Convert the "sound" subdirectory to UTF-8.
Signed-off-by: NJohn Anthony Kazos Jr. <jakj@j-a-k-j.com>
Signed-off-by: NAdrian Bunk <bunk@stusta.de>

sound/oss/es1371.c

@@ -100,7 +100,7 @@
  *                       Tjeerd Mulder <tjeerd.mulder@fujitsu-siemens.com>
  *    05.01.2001   0.29  Hopefully updates will not be required anymore when Creative bumps
  *                       the CT5880 revision.
- *                       suggested by Stephan Mller <smueller@chronox.de>
+ *                       suggested by Stephan Müller <smueller@chronox.de>
  *    31.01.2001   0.30  Register/Unregister gameport
  *                       Fix SETTRIGGER non OSS API conformity
  *    14.07.2001   0.31  Add list of laptops needing amplifier control

sound/oss/pas2_pcm.c

@@ -85,7 +85,7 @@ static int pcm_set_speed(int arg)
 	 * come from the SDK found on ftp.uwp.edu:/pub/msdos/proaudio/.
 	 *
 	 * I cleared bit 5 of these values, since that bit controls the master
-	 * mute flag. (Olav Wlfelschneider)
+	 * mute flag. (Olav Wölfelschneider)
 	 *
 	 */
 #if !defined NO_AUTO_FILTER_SET

sound/oss/trident.c

@@ -18,7 +18,7 @@
  *	Ollie Lho <ollie@sis.com.tw> SiS 7018 Audio Core Support
  *	Ching-Ling Lee <cling-li@ali.com.tw> ALi 5451 Audio Core Support 
  *	Matt Wu <mattwu@acersoftech.com.cn> ALi 5451 Audio Core Support
- *	Peter Wchtler <pwaechtler@loewe-komp.de> CyberPro5050 support
+ *	Peter Wächtler <pwaechtler@loewe-komp.de> CyberPro5050 support
  *      Muli Ben-Yehuda <mulix@mulix.org>
  *
  *
@@ -89,7 +89,7 @@
  *	use set_current_state, properly release resources on failure in
  *	trident_probe, get rid of check_region
  *  v0.14.9c
- *	August 10 2001 Peter Wchtler <pwaechtler@loewe-komp.de>
+ *	August 10 2001 Peter Wächtler <pwaechtler@loewe-komp.de>
  *	added support for Tvia (formerly Integraphics/IGST) CyberPro5050
  *	this chip is often found in settop boxes (combined video+audio)
  *  v0.14.9b

sound/pci/mixart/mixart.c

@@ -472,7 +472,7 @@ static int snd_mixart_prepare(struct snd_pcm_substream *subs)
 	struct snd_mixart *chip = snd_pcm_substream_chip(subs);
 	struct mixart_stream *stream = subs->runtime->private_data;
 
-	/* TODO de faon non bloquante, rappliquer les hw_params (rate, bits, codec) */
+	/* TODO de façon non bloquante, réappliquer les hw_params (rate, bits, codec) */
 
 	snd_printdd("snd_mixart_prepare\n");