drm/nouveau: fix another off-by-one in nvbios_addr
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 v4.9.326 by commit 8993aa9dd56ceb2479b2c04e750fa7f7e03994b4, it was introduced in version v4.8 by commit 4d4e9907ff572bb1d1c0f6913ad6e3d6d4525077. For more details please see the references link.