drm/xe/pf: Fix typo in function kernel-doc

drm/xe/pf: Fix typo in function kernel-doc

The function name is missing an underscore, which results in:

  Warning: ../drivers/gpu/drm/xe/xe_gt_sriov_pf_control.c:1261
  This comment starts with '/**', but isn't a kernel-doc comment.
  Refer to Documentation/doc-guide/kernel-doc.rst
  * xe_gt_sriov_pf_control_trigger restore_vf() - Start ...

Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Shuicheng Lin <shuicheng.lin@intel.com>
Link: https://patch.msgid.link/20251217150702.2669-1-michal.wajdeczko@intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>