[Mesa-dev] radv: use rtld for shader uploads

[Nicolai Hähnle-Montoro]

Hey folks,

the merge request at
https://gitlab.freedesktop.org/mesa/mesa/merge_requests/1220 moves
radv to using the rtld for shader uploads for parity with radeonsi and
to address some issues that arose with changes in LLVM behavior.
Please review!

Cheers,
Nicolai
-- 
Lerne, wie die Welt wirklich ist,
aber vergiss niemals, wie sie sein sollte.