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/mfd/mcp-sa11x0.c b/drivers/mfd/mcp-sa11x0.c
index 720e7a3..7daa0ed 100644
--- a/drivers/mfd/mcp-sa11x0.c
+++ b/drivers/mfd/mcp-sa11x0.c
@@ -18,7 +18,7 @@
 #include <linux/delay.h>
 #include <linux/spinlock.h>
 #include <linux/slab.h>
-#include <linux/device.h>
+#include <linux/platform_device.h>
 
 #include <asm/dma.h>
 #include <asm/hardware.h>