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/depca.c b/drivers/net/depca.c
index c4aa5fe..4d26e5e 100644
--- a/drivers/net/depca.c
+++ b/drivers/net/depca.c
@@ -254,7 +254,7 @@
 #include <linux/unistd.h>
 #include <linux/ctype.h>
 #include <linux/moduleparam.h>
-#include <linux/device.h>
+#include <linux/platform_device.h>
 #include <linux/bitops.h>
 
 #include <asm/uaccess.h>