drm/i915/gvt: fix gvt debugfs destroy
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v6.0.19 by commit b85c8536fda3d1ed07c6d87a661ffe18d6eb214b, it was introduced in version v4.16 by commit bc7b0be316aebac42eb9e8e54c984609555944da. For more details please see the references link.