io_uring.h: sync with 5.19 io_uring release
io_uring.h: sync with 5.19 io_uring release

A few missing bits due to the topic branches not being synced.

Signed-off-by: Jens Axboe <cd8c6775e60d6f67a6984377324e5290df3d5358@kernel.dk>

axboe/liburing,axboe/liburing,axboe/liburing