Move a GfxPartition to the core dir

Related-To: NEO-3677

Change-Id: Ia89ba93eefbb2921ef7d64bde7ed4114a0c78e0d
Signed-off-by: Jobczyk, Lukasz <lukasz.jobczyk@intel.com>

core/os_interface/os_memory.h

@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 2019 Intel Corporation
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ */
+
+#pragma once
+#include <cstddef>
+#include <memory>
+
+namespace NEO {
+
+struct OSMemory {
+  public:
+    static std::unique_ptr<OSMemory> create();
+
+    virtual ~OSMemory() = default;
+    virtual void *reserveCpuAddressRange(size_t sizeToReserve) = 0;
+    virtual void releaseCpuAddressRange(void *reservedCpuAddressRange, size_t reservedSize) = 0;
+};
+
+} // namespace NEO