GSD-2022-1006506 drm/gma500: Fix WARN_ON(lock->magic != lock) error

drm/gma500: Fix WARNONlock-magic != lock error 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 v5.19.12 by commit...