greybus: Move id-field before bundle-field in CPort Descriptor.

Note that this also makes sure the id-field is naturally aligned in case
we ever were to remove the __packed attribute.
Reviewed-by: Alex Elder <elder@linaro.org>
Reviewed-by: Johan Hovold <johan@hovoldconsulting.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>

drivers/staging/greybus/greybus_manifest.h

@@ -118,8 +118,8 @@ struct greybus_descriptor_bundle {
  * exchanged using the CPort.
  */
 struct greybus_descriptor_cport {
-	__u8	bundle;
 	__le16	id;
+	__u8	bundle;
 	__u8	protocol_id;	/* enum greybus_protocol */
 } __packed;