FIX: dsp init must be after audio init

src/main_perkons.cc

@@ -55,13 +55,14 @@ int main(void)
     bool heartbeat_led_state{ false };
     uint32_t heartbeat_time{};
 
-    init_dsp_chain();
 
     // Start Audio
     hw.SetAudioBlockSize(4);
     samplerate = hw.AudioSampleRate();
     hw.StartAudio(AudioCallback);
 
+    init_dsp_chain();
+
     // MIDI RX
     MidiUartHandler::Config midi_config;
     midi.Init(midi_config);