media: v4l2-dv-timings.c: fix too strict blanking sanity checks
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 v5.15.83 by commit 6fb8bc29bfa80707994a63cc97e2f9920e0b0608, it was introduced in version v5.15.77 by commit 491c0959f01d87bcbd5a1498bc70e0a3382c65a8. For more details please see the references link.