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/firmware/dcdbas.c b/drivers/firmware/dcdbas.c
index 955537f..8ed6ddb 100644
--- a/drivers/firmware/dcdbas.c
+++ b/drivers/firmware/dcdbas.c
@@ -20,7 +20,7 @@
  *  GNU General Public License for more details.
  */
 
-#include <linux/device.h>
+#include <linux/platform_device.h>
 #include <linux/dma-mapping.h>
 #include <linux/errno.h>
 #include <linux/init.h>