Add documentation on HIPCC_COMPILE_FLAGS_APPEND and HIPCC_LINK_FLAGS_APPEND #192
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The external HIPCC documentation at https://rocm.docs.amd.com/projects/HIPCC/en/docs-6.2.2/env.html currently only lists two environment variables, HIP_PLATFORM and CUDA_PATH. Other variables such as HIPCC_COMPILE_FLAGS_APPEND and HIPCC_LINK_FLAGS_APPEND have no documentation.
Proposal
Add the below definitions to https://github.com/ROCm/llvm-project/blob/amd-staging/amd/hipcc/docs/env.rst
HIPCC_COMPILE_FLAGS_APPEND: Append extra flags as compilation options to hipcc
HIPCC_LINK_FLAGS_APPEND: Append extra flags as linking options to hipcc