[sky9x + gruvin9x] Remanent timers

[sky9x] Timer since last charge
[sky9x] Massstorage (not working at this moment)
[sky9x] Debug Thread
[stock] Flash saving

src/eeprom_arm.cpp

@@ -511,6 +511,12 @@ void eeLoadModel(uint8_t id)
     resetProto();
     resetAll();
 
+    for (uint8_t i=0; i<MAX_TIMERS; i++) {
+      if (g_model.timersXtra[i].remanent) {
+        s_timerVal[i] = g_model.timersXtra[i].value;
+      }
+    }
+
     resumeMixerCalculations();
     // TODO pulses should be started after mixer calculations ...
   }