drm/i915/xelpg: Add Wa_14020495402

Disable clockgating for TDL SVHS fub.

v2: Implement in general render/compute wa's(MattR)

Bspec: 46045
Cc: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240318210025.562698-1-radhakrishna.sripada@intel.com