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/include/asm-sh/bigsur/io.h b/include/asm-sh/bigsur/io.h
index 939735e..1470ac8 100644
--- a/include/asm-sh/bigsur/io.h
+++ b/include/asm-sh/bigsur/io.h
@@ -1,5 +1,5 @@
 /*
- * include/asm-sh/io_bigsur.h
+ * include/asm-sh/bigsur/io.h
  *
  * By Dustin McIntire (dustin@sensoria.com) (c)2001
  * Derived from io_hd64465.h, which bore the message: