Reading wtp descriptor works now - at least cisco

FossilOrigin-Name: ee2e8a3fdf9d353237161a0af0148367afc20e8020315108c02154d9df521938

src/cw/cw_read_wtp_descriptor.c

@@ -59,5 +59,5 @@ int cw_read_wtp_descriptor(mavl_t cfg, struct conn *conn,
 		allowed=allowed_default;
 	}
 printf("call read subelems\n");
-	return cw_read_descriptor_subelems(cfg, data + pos, len - pos, allowed);
+	return cw_read_descriptor_subelems(cfg,eh->key , data + pos, len - pos, allowed);
 }