Update rigctl.1 man page to add stop_morse and wait_morse

doc/man1/rigctl.1

@@ -704,6 +704,14 @@ Send
 symbols.  For Yaesu rigs use memory#.
 .
 .TP
+.BR 0xbb ", " stop_morse "
+Stop sending the current morse code.
+.
+.TP
+.BR 0xbc ", " wait_morse "
+Wait for morse to finish -- only works on full break-in
+.
+.TP
 .BR 0x8b ", " get_dcd
 Get
 .RI \(aq DCD \(aq