add default LED_STATE_ON for boards that don't have it defined

examples/companion_radio/ui-new/UITask.h

@@ -8,6 +8,10 @@
 #include <Arduino.h>
 #include <helpers/sensors/LPPDataHelpers.h>
 
+#ifndef LED_STATE_ON
+  #define LED_STATE_ON 1
+#endif
+
 #ifdef PIN_BUZZER
   #include <helpers/ui/buzzer.h>
 #endif