drm/amd/display: Check correct bounds for stream encoder instances for DCN303

drm/amd/display: Check correct bounds for stream encoder instances for DCN303

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 v5.19.4 by commit 4c31dca1799612eb3b6413e3e574f90c3fb8f865, it was introduced in version v5.14 by commit cd6d421e3d1ad5926b74091254e345db730e7706. For more details please see the references link.