Add stop_morse and wait_morse to PowerSDR

rigs/kenwood/flex6xxx.c

@@ -1374,6 +1374,8 @@ const struct rig_caps powersdr_caps =
     //.set_ant =       kenwood_set_ant_no_ack,
     //.get_ant =       kenwood_get_ant,
     .send_morse =  kenwood_send_morse,
+    .stop_morse =  kenwood_stop_morse,
+    .wait_morse =  rig_wait_morse,
     .hamlib_check_rig_caps = HAMLIB_CHECK_RIG_CAPS
 };