hulk inclusion
category: feature
bugzilla: 47727
CVE: NA

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Use arch_cpu_idle() to replace default_idle() in default_enter_idle().
default_idle() is defined only in x86.
Signed-off-by: NXiangyou Xie <xiexiangyou@huawei.com>
Reviewed-by: NHanjun Guo <guohanjun@huawei.com>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>