[ELF] Add --export-dynamic-symbol-list

[MaskRay]

Summary

This is available in GNU ld 2.35 and can be seen as a shortcut for multiple
--export-dynamic-symbol, or a --dynamic-list variant without the symbolic intention.

In the long term, this option probably should be preferred over --dynamic-list.

[MaskRay]

add doc.

Note: -Bsymbolic-non-weak-functions is in release/13.x so I deleted it from the release notes.

[peter.smith]

LGTM.