drm/xe/ptl: PTL re-uses Xe2 MOCS table

PTL is Xe3 architecture but there is no difference between LNL and PTL
in MOCS table.  So, PTL uses the same MOCS table as LNL.

Bspec: 71582
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: Shekhar Chauhan <shekhar.chauhan@intel.com>
Signed-off-by: Haridhar Kalvala <haridhar.kalvala@intel.com>
Signed-off-by: Matt Atwood <matthew.s.atwood@intel.com>
Reviewed-by: Shekhar Chauhan <shekhar.chauhan@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241008013509.61233-5-matthew.s.atwood@intel.com