GSD-2022-1003628 drm/msm/mdp5: Return error code in mdp5_mixer_release when deadlock is detected

drm/msm/mdp5: Return error code in mdp5mixerrelease when deadlock is detected 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 v5.10.121 by commi...