eth: tg3: silence the GCC 12 array-bounds warning
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 v4.9.318 by commit aaf44c1cbe61c5d426c2ac7d044b87b490828aeb. For more details please see the references link.