src: large pages option: FreeBSD support proposal

Enabling on amd64 and as Linux, are 2MB large.
The ELF section linkage script is compatible only with GNU ld.

PR-URL: https://github.com/nodejs/node/pull/28331


Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>