fix file specification in comments

Many files include the filename at the beginning, serveral used a wrong one.

Signed-off-by: Uwe Zeisberger <Uwe_Zeisberger@digi.com>
Signed-off-by: Adrian Bunk <bunk@stusta.de>

sound/oss/waveartist.c

@@ -1,5 +1,5 @@
 /*
- * linux/drivers/sound/waveartist.c
+ * linux/sound/oss/waveartist.c
  *
  * The low level driver for the RWA010 Rockwell Wave Artist
  * codec chip used in the Rebel.com NetWinder.