move libthread to libstb-hal

libthread/scoped_lock.cpp

@@ -0,0 +1,12 @@
+#include <scoped_lock.h>
+
+ScopedLock::ScopedLock(Mutex& aMutex) :
+	mMutex(aMutex)
+{
+	mMutex.lock();
+}
+
+ScopedLock::~ScopedLock()
+{
+	mMutex.unlock();
+}