CVE-2024-46866 drm/xe/client: add missing bo locking in show_meminfo()

In the Linux kernel, the following vulnerability has been resolved: drm/xe/client: add missing bo locking in showmeminfo bomeminfo wants to inspect bo state like tt and the ttm resource, however this state can change at any point leading to stuff like NPD and UAF, if the bo lock is not held. Grab...