CVE-2025-38355 drm/xe: Process deferred GGTT node removals on device unwind

In the Linux kernel, the following vulnerability has been resolved: drm/xe: Process deferred GGTT node removals on device unwind While we are indirectly draining our dedicated workqueue ggtt-wq that we use to complete asynchronous removal of some GGTT nodes, this happends as part of the managed-d...