UCX: added missing UCX libs to UCX detection

- added libs to non-default UCX location branch

Signed-off-by: Sergey Oblomov <sergeyo@mellanox.com>

config/ompi_check_ucx.m4

@@ -46,7 +46,7 @@ AC_DEFUN([OMPI_CHECK_UCX],[
                                    [ucp/api/ucp.h],
                                    [ucp],
                                    [ucp_cleanup],
-                                   [],
+                                   [-luct -lucm -lucs],
                                    [],
                                    [],
                                    [ompi_check_ucx_happy="yes"],