drm/amd/display: fix overflow on MIN_I64 definition
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 v4.19.262 by commit 3e1876bb780059c2cfce5556419aa418fe76e2b3. For more details please see the references link.