man: update notes on register quiesce

We don't quiesce rsrc registrations since 5.13, reflect it in the man.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/9976eea690c26a86c5f02f7a9b99bd8b58548d3e.1630175370.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
1 file changed