Revert "[ROCm] remove HCC references (pytorch#8070)"

This reverts commit a63f98a.

Author: NicolasHug

torchvision/csrc/ops/cuda/deform_conv2d_kernel.cu

@@ -82,7 +82,7 @@ namespace {
 const int kMaxParallelImgs = 32;
 
 inline unsigned int GET_THREADS() {
-#ifdef WITH_HIP
+#ifdef __HIP_PLATFORM_HCC__
   return 256;
 #endif
   return 512;