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/app/ElfApp.cpp

@@ -188,8 +188,8 @@ bool registerElfApp(const std::string& filePath) {
 
 std::shared_ptr<App> createElfApp(const std::shared_ptr<AppManifest>& manifest) {
     TT_LOG_I(TAG, "createElfApp");
-    tt_assert(manifest != nullptr);
-    tt_assert(manifest->location.isExternal());
+    assert(manifest != nullptr);
+    assert(manifest->location.isExternal());
     return std::make_shared<ElfApp>(manifest->location.getPath());
 }