mfd: Cleanup mfd-mcp-sa11x0.h header

Commit a1fd844c ("ARM: sa1100: 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: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

include/linux/platform_data/mfd-mcp-sa11x0.h

 /*
- *  arch/arm/mach-sa1100/include/mach/mcp.h
- *
  *  Copyright (C) 2005 Russell King.
  *
  * 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 __ASM_ARM_ARCH_MCP_H
-#define __ASM_ARM_ARCH_MCP_H
+#ifndef __MFD_MCP_SA11X0_H
+#define __MFD_MCP_SA11X0_H
 
 #include <linux/types.h>