phy: ralink: mt7621-pci: add sentinel to quirks table
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 v5.15.79 by commit 500bcd3a99eae84412067c3b9e7ffba1c66e6383, it was introduced in version v5.11 by commit d87da32372a03ce121fc65ccd2c9a43edf56b364. For more details please see the references link.