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/drivers/isdn/hisax/amd7930_fn.h b/drivers/isdn/hisax/amd7930_fn.h
index e039c3a..1f4d80c 100644
--- a/drivers/isdn/hisax/amd7930_fn.h
+++ b/drivers/isdn/hisax/amd7930_fn.h
@@ -1,4 +1,4 @@
-/* 2001/10/02
+/* drivers/isdn/hisax/amd7930_fn.h
  *
  * gerdes_amd7930.h     Header-file included by
  *                      gerdes_amd7930.c