drm/xe/pf: Fix .bulk_profile/sched_priority description
The .bulk_profile/sched_priority file is always write-only, unlike
the profile/sched_priority files which can be either read-write or
read-only (in case of PF or VFs respectively).
Fixes: 6b514ed2d9a7 ("drm/xe/pf: Add documentation for sriov_admin attributes")
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Piotr Piórkowski <piotr.piorkowski@intel.com>
Link: https://patch.msgid.link/20251115152659.10853-1-michal.wajdeczko@intel.com