ice: fix locking for Tx timestamp tracking flush
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 by commit 4d4a223a86afe658cd878800f09458e8bb54415d, it was introduced in version v5.15 by commit 4dd0d5c33c3ebf24a07cae6141648aeb7ba56072. For more details please see the references link.