gitlab-ci: Move LAVA-related files into top-level ci dir

In preparation for testing drivers other than Panfrost in LAVA labs.

Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
46 jobs for !2064 with ci-panfrost-include in 21 minutes and 29 seconds (queued for 10 seconds)
merge request