New comment by Johnnynator on void-packages repository

https://github.com/void-linux/void-packages/issues/26427#issuecomment-731615408

Comment:
We probably should use the libclc from the llvm-project repo ( https://github.com/llvm/llvm-project/releases/download/llvmorg-11.0.0/libclc-11.0.0.src.tar.xz ).  The libclc repo is seen as outdated and deprecated.