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/video/arcfb.c b/drivers/video/arcfb.c
index d28457e..126daff 100644
--- a/drivers/video/arcfb.c
+++ b/drivers/video/arcfb.c
@@ -47,6 +47,7 @@
 #include <linux/fb.h>
 #include <linux/init.h>
 #include <linux/arcfb.h>
+#include <linux/platform_device.h>
 
 #include <asm/uaccess.h>