UM: cpuinfo: Fix a warning for CONFIGCPUMASKOFFSTACK
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 v5.15.75 by commit 7efe61dc6aa45aab8a40e304fa2dae21e33b0db4. For more details please see the references link.