There is an updated pull request by Johnnynator against master on the void-packages repository

https://github.com/Johnnynator/void-packages LuaJIT
https://github.com/void-linux/void-packages/pull/20499

[WIP] LuaJIT: allow cross compiling to 32bit systems in x86_64-musl masterdir
Just a stupid workaround for musl, but I haven't tested the resulting binary yet. So don't merge except you tested it :)

A patch file from https://github.com/void-linux/void-packages/pull/20499.patch is attached