PR sync from: Yu Liao liaoyu15@huawei.com https://mailweb.openeuler.org/hyperkitty/list/kernel-build@openeuler.org/message/ACI6JEN3Z32ULHHCCAOR6TZD3SDAH46O/
#I8B82O:[openEuler-1.0-LTS] Expose SVE2 features for userspace
git checkout openEuler-20.03-LTS-SP4
git pull https://gitee.com/src-op/kernel.git patch-1698828623
git push origin openEuler-20.03-LTS-SP4