user/ffmpeg: no change to package: sorry @Elizafox.  it was @mc680x0 who said x264 was ok to ship, sue *him* if it's illegal

- Use Lua 5.3 instead of 5.2. (One Lua to Rule Them All)
- Enable some more libs that we already ship.
- Disable Wayland.
- Fix video_chroma on big endian.
- Add -lang since we ship gettext-tiny and that means we get
  translations now!
- Re-order makedepends to be slightly easier to scan through.
- Take ownership.
- Fix license.
- Modernise style.
- Alphabetise patch list.
- Remove odd whitespace.

- needs env vars just to pass
- cyclic dependency with coreutils