SWDEV-269879 - Adding function that recommends optimal thread count

Change-Id: I42eb94a058c1b7f9253182e16ff1c3389a836d61

tests/src/runtimeApi/module/hipModuleLoadDataMultThreaded.cpp

@@ -131,7 +131,7 @@ void run_multi_threads(uint32_t n, const std::vector<char>& buffer) {
 int main() {
   HIPCHECK(hipInit(0));
   auto buffer = load_file();
-  run_multi_threads(min(THREADS * std::thread::hardware_concurrency(), MAX_THREADS), buffer);
+  run_multi_threads(getThreadCount(), buffer);
 
   passed();
 }