drm/xe/kunit: Test WAs for MTL and LNL

Now that the kunit infra has proper support for GMD_ID platforms, add a
few variants of MTL and LNL.

v2: Remove bogus check for setting both media and graphics version in
    test (Matt Roper)

Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://lore.kernel.org/r/20231129232807.1499826-6-lucas.demarchi@intel.com
Link: https://lore.kernel.org/r/20231205133954.2089546-4-lucas.demarchi@intel.com


Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>