landlock: Add erratum for TCP fix

Add erratum for the TCP socket identification fixed with commit
854277e2 ("landlock: Fix non-TCP sockets restriction").

Fixes: 854277e2 ("landlock: Fix non-TCP sockets restriction")
Cc: Günther Noack <gnoack@google.com>
Cc: Mikhail Ivanov <ivanov.mikhail1@huawei-partners.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20250318161443.279194-4-mic@digikod.net


Signed-off-by: Mickaël Salaün <mic@digikod.net>