drm/xe/xe2: Recognize Xe2_HPG IP

Xe2_HPG uses the same general feature flags as Xe2_LPG.  Xe2_HPG is
identified as version 20.01 in the GMD_ID register.

Bspec: 68090
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Balasubramani Vivekanandan <balasubramani.vivekanandan@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240408170545.3769566-2-balasubramani.vivekanandan@intel.com