added NDMA hardware interface

src/core/hw/ndma.h

@@ -0,0 +1,26 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "common/common_types.h"
+
+namespace NDMA {
+
+template <typename T>
+inline void Read(T &var, const u32 addr);
+
+template <typename T>
+inline void Write(u32 addr, const T data);
+
+/// Update hardware
+void Update();
+
+/// Initialize hardware
+void Init();
+
+/// Shutdown hardware
+void Shutdown();
+
+} // namespace