Updates to external notification and radiolib for SX128x. Rip out Godmode again for these

src/modules/ExternalNotificationModule.h

@@ -3,6 +3,7 @@
 #include "SinglePortModule.h"
 #include "concurrency/OSThread.h"
 #include "configuration.h"
+#include <NonBlockingRtttl.h>
 #include <Arduino.h>
 #include <functional>
 
@@ -23,6 +24,10 @@ class ExternalNotificationModule : public SinglePortModule, private concurrency:
     void setExternalOff(uint8_t index = 0);
     bool getExternal(uint8_t index = 0);
 
+    void stopNow();
+
+    char pwmRingtone[Constants_DATA_PAYLOAD_LEN] = "a:d=8,o=5,b=125:4d#6,a#,2d#6,16p,g#,4a#,4d#.,p,16g,16a#,d#6,a#,f6,2d#6,16p,c#.6,16c6,16a#,g#.,2a#";
+
   protected:
     /** Called to handle a particular incoming message
     @return ProcessMessage::STOP if you've guaranteed you've handled this message and no other handlers should be considered for it