Add initial documentation for recently added VRAM provisioning
Xe driver specific SR-IOV sysfs files under device/sriov_admin.

Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Piotr Piórkowski <piotr.piorkowski@intel.com>
Acked-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patch.msgid.link/20260218205553.3561-11-michal.wajdeczko@intel.com

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

Add initial documentation for all recently added Xe driver
specific SR-IOV sysfs files located under device/sriov_admin.

Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patch.msgid.link/20251030222348.186658-18-michal.wajdeczko@intel.com