Fixes and improvements (#185)

- unPhone improvements related to power and boot (add boot count logging)
- Cleanup of Mutex acquire/release
- Removed `tt_assert()` in favour of `assert()`
- Fix sim build (likely failed due to migration of GitHub Actions to Ubuntu 24.04)

TactilityHeadless/Source/service/sdcard/Sdcard.cpp

@@ -29,7 +29,7 @@ private:
 
     void update() {
         auto sdcard = tt::hal::getConfiguration()->sdcard;
-        tt_assert(sdcard);
+        assert(sdcard);
 
         if (lock(50)) {
             auto new_state = sdcard->getState();