port-probe: allow cancellation

src/mm-plugin.c

@@ -811,6 +811,7 @@ mm_plugin_supports_port (MMPlugin            *self,
                        self->priv->send_lf,
                        self->priv->custom_at_probe,
                        self->priv->custom_init,
+                       cancellable,
                        (GAsyncReadyCallback) port_probe_run_ready,
                        task);
 }

src/mm-port-probe.h

@@ -113,12 +113,12 @@ void     mm_port_probe_run        (MMPortProbe *self,
                                    gboolean at_send_lf,
                                    const MMPortProbeAtCommand *at_custom_probe,
                                    const MMAsyncMethod *at_custom_init,
+                                   GCancellable *cancellable,
                                    GAsyncReadyCallback callback,
                                    gpointer user_data);
 gboolean mm_port_probe_run_finish (MMPortProbe *self,
                                    GAsyncResult *result,
                                    GError **error);
-gboolean mm_port_probe_run_cancel (MMPortProbe *self);
 
 gboolean mm_port_probe_run_cancel_at_probing (MMPortProbe *self);