freedreno: slurp in decode tools

cffdump, crashdec, etc

At this point there is some duplication with other files in-tree (ie.
a2xx and a3xx+ disassembly), which will be cleaned up in a later commit.

Signed-off-by: Rob Clark <robdclark@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6070>
32 files changed