drm/i915/gvt: fix the usage of ww lock in gvt scheduler.
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 v5.14.10 by commit ce1cccb000bda07a172518894c3439c1cb699f42, it was introduced in version v5.12 by commit 67f1120381df022a7016f4acc8d4880da9a66c03. For more details please see the references link.