drm/i915/xe3lpd: Update bandwidth parameters

Bandwidth parameters for Xe3_LPD have been updated with respect to
previous display releases. Encode them into xe3lpd_sa_info and use that
new struct.

Bspec: 68859
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250311-xe3lpd-bandwidth-update-v5-3-a95a9d90ad71@intel.com


Signed-off-by: Gustavo Sousa <gustavo.sousa@intel.com>