drm/ci: add farm variable

drm/ci: add farm variable

Mesa uses structured logs for logging and debug purpose,
https://mesa.pages.freedesktop.org/-/mesa/-/jobs/59165650/artifacts/results/job_detail.json

Since drm-ci uses the mesa scripts, add the farm variable
and update the device type for missing jobs.

Signed-off-by: Vignesh Raman <vignesh.raman@collabora.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Jessica Zhang <quic_jesszhan@quicinc.com>
Acked-by: Helen Koike <helen.koike@collabora.com>
Signed-off-by: Helen Koike <helen.koike@collabora.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240529024049.356327-3-vignesh.raman@collabora.com