drm/nouveau/kms: separate connector property attach from nouveau_connector

These will also be used by MST connectors.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.h b/drivers/gpu/drm/nouveau/nouveau_connector.h
index c366b38..ed1187e 100644
--- a/drivers/gpu/drm/nouveau/nouveau_connector.h
+++ b/drivers/gpu/drm/nouveau/nouveau_connector.h
@@ -141,6 +141,7 @@ struct nouveau_conn_atom {
 	} set;
 };
 
+void nouveau_conn_attach_properties(struct drm_connector *);
 void nouveau_conn_reset(struct drm_connector *);
 struct drm_connector_state *
 nouveau_conn_atomic_duplicate_state(struct drm_connector *);