add license in file (#303)

include/ck/tensor_description/multi_index_transform_helper.hpp

+// SPDX-License-Identifier: MIT
+// Copyright (c) 2018-2022, Advanced Micro Devices, Inc. All rights reserved.
+
 #pragma once
 
 #include "ck/utility/common_header.hpp"

include/ck/tensor_description/tensor_adaptor.hpp

+// SPDX-License-Identifier: MIT
+// Copyright (c) 2018-2022, Advanced Micro Devices, Inc. All rights reserved.
+
 #pragma once
 
 #include "ck/utility/common_header.hpp"

include/ck/tensor_description/tensor_descriptor.hpp

+// SPDX-License-Identifier: MIT
+// Copyright (c) 2018-2022, Advanced Micro Devices, Inc. All rights reserved.
+
 #pragma once
 
 #include "ck/utility/common_header.hpp"

include/ck/tensor_description/tensor_descriptor_helper.hpp

+// SPDX-License-Identifier: MIT
+// Copyright (c) 2018-2022, Advanced Micro Devices, Inc. All rights reserved.
+
 #pragma once
 
 #include "ck/utility/common_header.hpp"

include/ck/tensor_description/tensor_space_filling_curve.hpp

+// SPDX-License-Identifier: MIT
+// Copyright (c) 2018-2022, Advanced Micro Devices, Inc. All rights reserved.
+
 #pragma once
 
 #include "ck/utility/math.hpp"

include/ck/tensor_operation/gpu/block/blockwise_gemm_dl_v2r3.hpp

+// SPDX-License-Identifier: MIT
+// Copyright (c) 2018-2022, Advanced Micro Devices, Inc. All rights reserved.
+
 #pragma once
 
 #include "ck/utility/common_header.hpp"

include/ck/tensor_operation/gpu/block/blockwise_gemm_dlops_v2r2.hpp

+// SPDX-License-Identifier: MIT
+// Copyright (c) 2018-2022, Advanced Micro Devices, Inc. All rights reserved.
+
 #ifndef CK_BLOCKWISE_GEMM_DLOPS_V2R2_HPP
 #define CK_BLOCKWISE_GEMM_DLOPS_V2R2_HPP
 

include/ck/tensor_operation/gpu/block/blockwise_gemm_dlops_v3.hpp

+// SPDX-License-Identifier: MIT
+// Copyright (c) 2018-2022, Advanced Micro Devices, Inc. All rights reserved.
+
 #ifndef CK_BLOCKWISE_GEMM_DLOPS_V3_HPP
 #define CK_BLOCKWISE_GEMM_DLOPS_V3_HPP
 

include/ck/tensor_operation/gpu/block/blockwise_gemm_xdlops.hpp

+// SPDX-License-Identifier: MIT
+// Copyright (c) 2018-2022, Advanced Micro Devices, Inc. All rights reserved.
+
 #pragma once
 
 #include "ck/utility/common_header.hpp"

include/ck/tensor_operation/gpu/block/blockwise_tensor_slice_transfer_v5r1.hpp

+// SPDX-License-Identifier: MIT
+// Copyright (c) 2018-2022, Advanced Micro Devices, Inc. All rights reserved.
+
 #pragma once
 
 #include "ck/utility/common_header.hpp"

include/ck/tensor_operation/gpu/block/reduction_functions_blockwise.hpp

+// SPDX-License-Identifier: MIT
+// Copyright (c) 2018-2022, Advanced Micro Devices, Inc. All rights reserved.
+
 #pragma once
 
 #include "ck/tensor_description/cluster_descriptor.hpp"

include/ck/tensor_operation/gpu/block/thread_group_tensor_slice_transfer_v4r1.hpp

+// SPDX-License-Identifier: MIT
+// Copyright (c) 2018-2022, Advanced Micro Devices, Inc. All rights reserved.
+
 #pragma once
 
 #include "ck/utility/common_header.hpp"

include/ck/tensor_operation/gpu/block/thread_group_tensor_slice_transfer_v6r1.hpp

+// SPDX-License-Identifier: MIT
+// Copyright (c) 2018-2022, Advanced Micro Devices, Inc. All rights reserved.
+
 #pragma once
 
 #include "ck/utility/common_header.hpp"

include/ck/tensor_operation/gpu/block/thread_group_tensor_slice_transfer_v6r2.hpp

+// SPDX-License-Identifier: MIT
+// Copyright (c) 2018-2022, Advanced Micro Devices, Inc. All rights reserved.
+
 #pragma once
 
 #include "ck/utility/common_header.hpp"

include/ck/tensor_operation/gpu/block/thread_group_tensor_slice_transfer_v6r3.hpp

+// SPDX-License-Identifier: MIT
+// Copyright (c) 2018-2022, Advanced Micro Devices, Inc. All rights reserved.
+
 #pragma once
 
 #include "ck/utility/common_header.hpp"

include/ck/tensor_operation/gpu/block/thread_group_tensor_slice_transfer_v7.hpp

+// SPDX-License-Identifier: MIT
+// Copyright (c) 2018-2022, Advanced Micro Devices, Inc. All rights reserved.
+
 #pragma once
 
 #include "ck/utility/common_header.hpp"

include/ck/tensor_operation/gpu/device/convolution_backward_data_specialization.hpp

+// SPDX-License-Identifier: MIT
+// Copyright (c) 2018-2022, Advanced Micro Devices, Inc. All rights reserved.
+
 #ifndef CONVOLUTION_BACKWARD_DATA_SPECIALIZATION
 #define CONVOLUTION_BACKWARD_DATA_SPECIALIZATION
 

include/ck/tensor_operation/gpu/device/convolution_backward_weight_specialization.hpp

+// SPDX-License-Identifier: MIT
+// Copyright (c) 2018-2022, Advanced Micro Devices, Inc. All rights reserved.
+
 #pragma once
 
 namespace ck {

include/ck/tensor_operation/gpu/device/convolution_forward_specialization.hpp

+// SPDX-License-Identifier: MIT
+// Copyright (c) 2018-2022, Advanced Micro Devices, Inc. All rights reserved.
+
 #ifndef CONVOLUTION_FORWARD_SPECIALIZATION
 #define CONVOLUTION_FORWARD_SPECIALIZATION
 

include/ck/tensor_operation/gpu/device/device_5ary_elementwise.hpp

+// SPDX-License-Identifier: MIT
+// Copyright (c) 2018-2022, Advanced Micro Devices, Inc. All rights reserved.
+
 #pragma once
 
 #include <iostream>