enetc: Fix illegal access when reading affinity_hint
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 v5.4.150 by commit 4c4c3052911b577920353a7646e4883d5da40c28, it was introduced in version v5.1 by commit d4fd0404c1c95b17880f254ebfee3485693fa8ba. For more details please see the references link.