drm/i915/dg2: Introduce Wa_18017747507

WA 18017747507 applies to all DG2 skus.

BSpec: 56035, 46121, 68173

Signed-off-by: Wayne Boyer <wayne.boyer@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221031131509.3411195-1-wayne.boyer@intel.com