Input: keypad-omap - cleanup header file

Commit 2203747c ("ARM: omap: move platform_data definitions")
moved the file to the current location but forgot to remove the pointer
to its previous location. Clean it up. While at it also change the header
file protection macros appropriately.
Signed-off-by: NSachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>

include/linux/platform_data/keypad-omap.h

 /*
- *  arch/arm/plat-omap/include/mach/keypad.h
- *
  *  Copyright (C) 2006 Komal Shah <komal_shah802003@yahoo.com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */
-#ifndef ASMARM_ARCH_KEYPAD_H
-#define ASMARM_ARCH_KEYPAD_H
+#ifndef __KEYPAD_OMAP_H
+#define __KEYPAD_OMAP_H
 
 #ifndef CONFIG_ARCH_OMAP1
 #warning Please update the board to use matrix-keypad driver