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>

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:

include/asm-sh/bigsur/serial.h

@@ -1,5 +1,5 @@
 /*
- * include/asm-sh/serial-bigsur.h
+ * include/asm-sh/bigsur/serial.h
  *
  * Configuration details for Big Sur 16550 based serial ports 
  * i.e. HD64465, PCMCIA, etc.

include/asm-sh/dreamcast/sysasic.h

@@ -1,4 +1,4 @@
-/* include/asm-sh/dc_sysasic.h
+/* include/asm-sh/dreamcast/sysasic.h
  *
  * Definitions for the Dreamcast System ASIC and related peripherals.
  *

include/asm-sh/hd64465/io.h

@@ -1,5 +1,5 @@
 /*
- * include/asm-sh/io_hd64465.h
+ * include/asm-sh/hd64465/io.h
  *
  * By Greg Banks <gbanks@pocketpenguins.com>
  * (c) 2000 PocketPenguins Inc.

include/asm-sh/mpc1211/io.h

@@ -1,5 +1,5 @@
 /*
- * include/asm-sh/io_mpc1211.h
+ * include/asm-sh/mpc1211/io.h
  *
  * Copyright 2001 Saito.K & Jeanne
  *