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/net/tokenring/proteon.c b/drivers/net/tokenring/proteon.c
index eb1423e..d04c918 100644
--- a/drivers/net/tokenring/proteon.c
+++ b/drivers/net/tokenring/proteon.c
@@ -29,6 +29,7 @@
 #include <linux/init.h>
 #include <linux/netdevice.h>
 #include <linux/trdevice.h>
+#include <linux/platform_device.h>
 
 #include <asm/system.h>
 #include <asm/io.h>