Change D3DKMT_CLIENTHINT_OPENCL to _ONEAPI_LEVEL0 in L0

Signed-off-by: Piotr Obst <piotr.obst@intel.com>

shared/source/helpers/api_specific_config.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020 Intel Corporation
+ * Copyright (C) 2020-2021 Intel Corporation
  *
  * SPDX-License-Identifier: MIT
  *
@@ -8,7 +8,10 @@
 #pragma once
 namespace NEO {
 struct ApiSpecificConfig {
+    enum ApiType { OCL,
+                   L0 };
     static bool getHeapConfiguration();
     static bool getBindlessConfiguration();
+    static ApiType getApiType();
 };
 } // namespace NEO