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>
diff --git a/drivers/usb/host/ohci-s3c2410.c b/drivers/usb/host/ohci-s3c2410.c
index fab420a..ee1fc60 100644
--- a/drivers/usb/host/ohci-s3c2410.c
+++ b/drivers/usb/host/ohci-s3c2410.c
@@ -19,6 +19,8 @@
  * This file is licenced under the GPL.
 */
 
+#include <linux/platform_device.h>
+
 #include <asm/hardware.h>
 #include <asm/hardware/clock.h>
 #include <asm/arch/usb-control.h>