[SYCL][Driver] Enable passing -Xarch_<arch> <option> to SYCL offload compilations. #20917
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srividya-sundaram
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This patch adds support for passing
-Xarch_<arch> <option>to SYCL offload compilations.Example:
clang --offload-new-driver -fsycl -fsycl-targets=amdgcn-amd-amdhsa,nvptx64-nvidia-cuda -nogpulib -fno-sycl-libspirv -nogpuinc -Xarch_amdgcn --offload-arch=gfx90a,gfx906 -Xarch_nvptx64 --offload-arch=sm_52,sm_89 -S -### syclfile.cpp