!2207 crypto:hisilicon/qm - cache write back before flr and poweroff

Merge Pull Request from: @ci-robot 
 
PR sync from: w00416078 <wangyuan46@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/6SXV4ODC4BATQH2SJ4HPDOJPXMVRLNWB/ 
 
https://gitee.com/openeuler/kernel/issues/I4YKIJ 
 
Link:https://gitee.com/openeuler/kernel/pulls/2207

 

Reviewed-by: Yang Shen <shenyang39@huawei.com>
Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com>