drm/i915/dg2: Add Wa_18018781329

A few more MOD registers need to be programmed on DG2.

Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220120234147.1200574-1-matthew.d.roper@intel.com


Reviewed-by: Swathi Dhanavanthri <swathi.dhanavanthri@intel.com>