mt76: mt7615: fix memleak when mt7615unregisterdevice()
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 v5.10.37 by commit 4fa28c807da54c1d720b3cc12e48eb9bea1e2c8f, it was introduced in version v5.10.21 by commit aec5719681405af21102c2407b01f83ed19e9833. For more details please see the references link.