UCT/PLUGIN: add definition in uct_iface_attr_v2_t for uct_iface_query_v2

Author: fteng-NV

AUTHORS

@@ -33,6 +33,7 @@ Elad Persiko <eladpe@mellanox.com>
 Eugene Voronov <eugene@mellanox.com>
 Evgeny Leksikov <evgenylek@mellanox.com>
 Fabian Ruhland <ruhland@hhu.de>
+Fei Teng <fteng@nvidia.com>
 Gilbert Lee <gilbert.lee@amd.com>
 Gilles Gouaillardet <gilles.gouaillardet@gmail.com>
 Gonzalo Brito Gadeschi <gonzalob@nvidia.com>