LoongArch: 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 v5.19.2 by commit 37268c7badd36f5381056d1651a6ee0b63b8ff3c. For more details please see the references link.