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>
diff --git a/sound/oss/uart401.c b/sound/oss/uart401.c
index a3d75ba..8e18b6e 100644
--- a/sound/oss/uart401.c
+++ b/sound/oss/uart401.c
@@ -1,5 +1,5 @@
 /*
- * sound/uart401.c
+ * sound/oss/uart401.c
  *
  * MPU-401 UART driver (formerly uart401_midi.c)
  *