[Docs] Add header for files (#1181)

* [Docs] Add header for files

* change to OpenMMLab

* add headers for .cpp, .cu, .h, .cuh

* replace Open-MMLab with OpenMMLab

mmcv/ops/csrc/tensorrt/plugins/trt_modulated_deform_conv.cpp

+// Copyright (c) OpenMMLab. All rights reserved
 #include "trt_modulated_deform_conv.hpp"
 
 #include <assert.h>

mmcv/ops/csrc/tensorrt/plugins/trt_modulated_deform_conv_kernel.cu

+// Copyright (c) OpenMMLab. All rights reserved
 #include <assert.h>
 #include <cuda_fp16.h>
 

mmcv/ops/csrc/tensorrt/plugins/trt_nms.cpp

+// Copyright (c) OpenMMLab. All rights reserved
 #include "trt_nms.hpp"
 
 #include <assert.h>

mmcv/ops/csrc/tensorrt/plugins/trt_nms_kernel.cu

+// Copyright (c) OpenMMLab. All rights reserved
 #include <stdio.h>
 #include <thrust/execution_policy.h>
 #include <thrust/gather.h>

mmcv/ops/csrc/tensorrt/plugins/trt_plugin.cpp

+// Copyright (c) OpenMMLab. All rights reserved
 #include "trt_plugin.hpp"
 
 #include "trt_corner_pool.hpp"

mmcv/ops/csrc/tensorrt/plugins/trt_roi_align.cpp

+// Copyright (c) OpenMMLab. All rights reserved
 #include "trt_roi_align.hpp"
 
 #include <assert.h>

mmcv/ops/csrc/tensorrt/plugins/trt_roi_align_kernel.cu

+// Copyright (c) OpenMMLab. All rights reserved
 #include "common_cuda_helper.hpp"
 #include "roi_align_cuda_kernel.cuh"
 

mmcv/ops/csrc/tensorrt/plugins/trt_scatternd.cpp

+// Copyright (c) OpenMMLab. All rights reserved
 #include "trt_scatternd.hpp"
 
 #include <assert.h>

mmcv/ops/csrc/tensorrt/plugins/trt_scatternd_kernel.cu

+// Copyright (c) OpenMMLab. All rights reserved
 #include <stdio.h>
 
 #include <vector>

mmcv/ops/csrc/tensorrt/trt_cuda_helper.cuh

+// Copyright (c) OpenMMLab. All rights reserved
 #ifndef TRT_CUDA_HELPER_HPP
 #define TRT_CUDA_HELPER_HPP
 #include <cublas_v2.h>

mmcv/ops/csrc/tin_shift_cuda_kernel.cuh

+// Copyright (c) OpenMMLab. All rights reserved
 #ifndef TIN_SHIFT_CUDA_KERNEL_CUH
 #define TIN_SHIFT_CUDA_KERNEL_CUH
 

mmcv/ops/deform_conv.py

+# Copyright (c) OpenMMLab. All rights reserved.
 import math
 from typing import Tuple, Union
 

mmcv/ops/deform_roi_pool.py

+# Copyright (c) OpenMMLab. All rights reserved.
 from torch import nn
 from torch.autograd import Function
 from torch.autograd.function import once_differentiable

mmcv/ops/deprecated_wrappers.py

+# Copyright (c) OpenMMLab. All rights reserved.
 # This file is for backward compatibility.
 # Module wrappers for empty tensor have been moved to mmcv.cnn.bricks.
 import warnings

mmcv/ops/focal_loss.py

+# Copyright (c) OpenMMLab. All rights reserved.
 import torch
 import torch.nn as nn
 from torch.autograd import Function

mmcv/ops/info.py

+# Copyright (c) OpenMMLab. All rights reserved.
 import glob
 import os
 

mmcv/ops/masked_conv.py

+# Copyright (c) OpenMMLab. All rights reserved.
 import math
 
 import torch

mmcv/ops/merge_cells.py

+# Copyright (c) OpenMMLab. All rights reserved.
 from abc import abstractmethod
 
 import torch

mmcv/ops/modulated_deform_conv.py

+# Copyright (c) OpenMMLab. All rights reserved.
 import math
 
 import torch

mmcv/ops/multi_scale_deform_attn.py

+# Copyright (c) OpenMMLab. All rights reserved.
 import math
 import warnings