missing board.loop() in companion, room server, kiss modem.

examples/simple_room_server/main.cpp

@@ -162,6 +162,7 @@ void loop() {
   ui_task.loop();
 #endif
   rtc_clock.tick();
+  board.loop();
 #ifdef HAS_EXTERNAL_WATCHDOG
   external_watchdog.loop();
 #endif