drm/xe: Add GT oriented drm_printers

drm/xe: Add GT oriented drm_printers

Instead of using generic drm_err_printer() that just adds static
prefix, or drm_info_printer() that outputs only device name, add
new helpers that create dedicated drm_printers that use our GT
oriented xe_gt_err() and xe_gt_info() functions.

Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://lore.kernel.org/r/20231218190629.502-2-michal.wajdeczko@intel.com
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>