CVE-2024-43863 drm/vmwgfx: Fix a deadlock in dma buf fence polling

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Fix a deadlock in dma buf fence polling Introduce a version of the fence ops that on release doesn't remove the fence from the pending list, and thus doesn't require a lock to fix poll-fence wait-fence unref deadlocks...