!888 [sync] PR-881: arm64: Keep HWCAP2_WFXT uapi consistent with upstream

Merge Pull Request from: @openeuler-sync-bot 
 

Origin pull request: 
https://gitee.com/openeuler/kernel/pulls/881 
 
Currently, the bitfield of HWCAP2_WFXT is (1 << 23) inconsistent with mainline set (1UL << 31).
To avoid possible uapi break, keep the bitfield consistent with mainline. 
 
Link:https://gitee.com/openeuler/kernel/pulls/888

 

Reviewed-by: Zenghui Yu <yuzenghui@huawei.com>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>