MIPS: fix fortify panic when copying asm exception handlers
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 v5.16.20 by commit 3c6c4d4ac8b17adc7db797bf4b25ef22abc2dd1c. For more details please see the references link.