docs: cgroup-v1: fix typo

"listers" -> "listeners"

Signed-off-by: Xiongwei Song <xiongwei.song@windriver.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Xiongwei Song 2023-07-21 13:49:38 +08:00 • committed by Tejun Heo
commit ab8aebdc9f