drm/drmvmamanager: Add drmvmanodeallowonce()
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 v6.1.9 by commit 67444f8ca31cdaf45e0b761241ad49b1ae04bcf9. For more details please see the references link.