Run the refresh script [1] to document the recent feature additions.

[1] Documentation/features/scripts/features-refresh.sh
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/1689060720-4628-3-git-send-email-yangtiezhu@loongson.cn