greybus: s/bundle_cport_id/intf_cport_id

This isn't unique just for the bundle but the complete interface. Its
wrong to call it bundle_cport_id. Lets name it intf_cport_id to make
things clear.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
diff --git a/drivers/staging/greybus/connection.h b/drivers/staging/greybus/connection.h
index 8992b75..d39d476 100644
--- a/drivers/staging/greybus/connection.h
+++ b/drivers/staging/greybus/connection.h
@@ -25,7 +25,7 @@
 	struct gb_bundle		*bundle;
 	struct device			dev;
 	u16				hd_cport_id;
-	u16				bundle_cport_id;
+	u16				intf_cport_id;
 
 	struct list_head		hd_links;
 	struct list_head		bundle_links;