!7228 s390/zcrypt: fix reference counting on zcrypt card objects

Merge Pull Request from: @ci-robot 
 
PR sync from: felix <fuzhen5@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/3XHLCICV3HR37NCOK7ZMPZ2CPDSLZBAA/ 
 
https://gitee.com/src-openeuler/kernel/issues/I9L4T8 
 
Link:https://gitee.com/openeuler/kernel/pulls/7228

 

Reviewed-by: Liu YongQiang <liuyongqiang13@huawei.com>
Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com>