hipify detectron2

Summary: As title Differential Revision: D76601224 fbshipit-source-id: b677952b563d1f404855bd6a160568592994d1aa

Author: mxz297

detectron2/layers/csrc/deformable/deform_conv_cuda_kernel.cu

@@ -73,12 +73,12 @@
 #include <float.h>
 #include <math.h>
 #include <stdio.h>
-#include <THC/THCAtomics.cuh>
+#include <ATen/cuda/Atomic.cuh>
 
 using namespace at;
 
 #define CUDA_KERNEL_LOOP(i, n) \
- for (int i = blockIdx.x * blockDim.x + threadIdx.x; i < (n); \
+ for (auto i = blockIdx.x * blockDim.x + threadIdx.x; i < (n); \
  i += blockDim.x * gridDim.x)