greybus: interface: fix obsolete comment

Fix obsolete comment that was referring to "module" rather than
"interface".
Signed-off-by: Johan Hovold <johan@hovoldconsulting.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>

drivers/staging/greybus/interface.c

@@ -176,7 +176,7 @@ struct gb_interface *gb_interface_create(struct gb_host_device *hd,
 }
 
 /*
- * Tear down a previously set up module.
+ * Tear down a previously set up interface.
  */
 void gb_interface_remove(struct gb_interface *intf)
 {