LLVM only supports GFX8+. Using CLRXdisasm works most of the time,
so it's useful to add support for it.
Original patch by Daniel Schürmann.
Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Tested-by: Marge Bot <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3439>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3439>