drm/ci: skip tools_test on non-intel platforms

tools_test is a wrapper for running tools/intel_reg
and tools/intel_l3_parity. So skip these tests on
non-intel platforms and update expectaion files.

Acked-by: Helen Koike <helen.koike@collabora.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Signed-off-by: Vignesh Raman <vignesh.raman@collabora.com>
Signed-off-by: Helen Koike <helen.koike@collabora.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240730021545.912271-3-vignesh.raman@collabora.com