!5418 [sync] PR-5317: KVM: s390: fix setting of fpc register

Merge Pull Request from: @openeuler-sync-bot 
 

Origin pull request: 
https://gitee.com/openeuler/kernel/pulls/5317 
 
PR sync from: Ze Zuo <zuoze1@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/HCQYSNRNP26GKEFGZOTQJHP6XGQVAHOB/ 
 
https://gitee.com/src-openeuler/kernel/issues/I96GPO 
 
Link:https://gitee.com/openeuler/kernel/pulls/5418

 

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