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/mmc/pxamci.c b/drivers/mmc/pxamci.c
index 8eba373..4da4a98 100644
--- a/drivers/mmc/pxamci.c
+++ b/drivers/mmc/pxamci.c
@@ -20,7 +20,7 @@
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/ioport.h>
-#include <linux/device.h>
+#include <linux/platform_device.h>
 #include <linux/delay.h>
 #include <linux/interrupt.h>
 #include <linux/dma-mapping.h>