CVE-2025-38558 usb: gadget: uvc: Initialize frame-based format color matching descriptor

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: uvc: Initialize frame-based format color matching descriptor Fix NULL pointer crash in uvcgframebasedmake due to uninitialized color matching descriptor for frame-based format which was added in commit f5e7bdd34aca...