drm/xe/guc: Split GuC params used for "hwconfig" and "post-hwconfig"

Move params that are not used for initial "hwconfig" load to
"post-hwconfig" phase.

Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>