drm/xe/pf: Initialize and update PF services on driver init

The xe_gt_sriov_pf_init_early() and xe_gt_sriov_pf_init_hw() are
ideal places to call per-GT PF service init and update functions.

Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Piotr Piórkowski <piotr.piorkowski@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240425143927.2265-2-michal.wajdeczko@intel.com