New review comment by Chocimier on void-packages repository

https://github.com/void-linux/void-packages/pull/23645#discussion_r459070332

Comment:
Use https://github.com/void-linux/void-packages/blob/c4f6b779bcf998f462249c14946a29eecfa4be4f/srcpkgs/grpc/template#L27 instead of  patch fragment that links libatomic.