Create platform_device.h to contain all the platform device details.

Convert everyone who uses platform_bus_type to include
linux/platform_device.h.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/usb/host/ohci-pxa27x.c

@@ -19,7 +19,7 @@
  * This file is licenced under the GPL.
  */
 
-#include <linux/device.h>
+#include <linux/platform_device.h>
 #include <asm/mach-types.h>
 #include <asm/hardware.h>
 #include <asm/arch/pxa-regs.h>