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/gianfar_mii.c b/drivers/net/gianfar_mii.c
index 1eca1db..5a74d3d 100644
--- a/drivers/net/gianfar_mii.c
+++ b/drivers/net/gianfar_mii.c
@@ -33,6 +33,7 @@
 #include <linux/mm.h>
 #include <linux/module.h>
 #include <linux/version.h>
+#include <linux/platform_device.h>
 #include <asm/ocp.h>
 #include <linux/crc32.h>
 #include <linux/mii.h>