message: Move back compute capability 2.0 and remove deprecated warning
diff: @@ -76,6 +76,8 @@ elseif("${CUDA_VERSION}" LESS 8.0)
  )
  else()
  set(CUDA_NVCC_FLAGS ${CUDA_NVCC_FLAGS}
  + -Wno-deprecated-gpu-targets
  + -gencode arch=compute_20,code=sm_20
  -gencode arch=compute_30,code=sm_30
  -gencode arch=compute_35,code=sm_35
  -gencode arch=compute_35,code=compute_35
  