This was as simple as copying over the libtool patches from libvorbis
and removing now-unneeded Serenity-awareness patches.
Co-authored-by: Tim Schumacher <timschumi@gmx.de>
Some ports may have more than one `config.sub` that is in use (vendored
dependencies, etc.). Instead of fiddling about with space-delimited
strings, let's just make that setting into an array right away.
Add `libmpg123` port, for dependant projects to be able to use it.
This port doesn't include the entire `mpg123` project, just the
`libmpg123` library.
