GSD-2022-1000035 usb: mtu3: fix list_head check warning

usb: mtu3: fix listhead check 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 v5.4.170 by commit 585e2b244dda7ea733274e4b8fa27853d625d3b...