Revert "cgroup/cpuset: Change cpuset_rwsem and hotplug lock order"

hulk inclusion
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I6TI3Y


CVE: NA

--------------------------------

This reverts commit c831178a.

Signed-off-by: Cai Xinchen <caixinchen1@huawei.com>
Reviewed-by: Wang Weiyang <wangweiyang2@huawei.com>
Signed-off-by: Yongqiang Liu <liuyongqiang13@huawei.com>