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)

Tactility/Source/lvgl/LvglDisplay.cpp

@@ -5,9 +5,9 @@ namespace tt::lvgl {
 
 hal::Display* getDisplay() {
     auto* lvgl_display = lv_display_get_default();
-    tt_assert(lvgl_display != nullptr);
+    assert(lvgl_display != nullptr);
     auto* hal_display = (tt::hal::Display*)lv_display_get_user_data(lvgl_display);
-    tt_assert(hal_display != nullptr);
+    assert(hal_display != nullptr);
     return hal_display;
 }