PR sync from: Zeng Heng zengheng4@huawei.com
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/CGPFO7XWD4OSPWLOHW274IMOM23RTETM/
Patch 1~2: It is required to ensure that amu can continue to work normally
during the sample period while cstate is enabled.

Zeng Heng (2):
arm64: cpufeature: Export cpu_has_amu_feat()
cpufreq: CPPC: Keep the target core awake when reading its cpufreq
rate

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2.25.1

#I73EPL:cpufreq 下读取 cpuinfo_cur_freq 获取频率值有误