hulk inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I4SK3S
CVE: NA

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Mirrored memory could be used on HiSilion's arm64 SoC. So efi_find_mirror()
is added in efi_init() so that systems can get memblock about any mirrored
ranges.
Co-developed-by: NJing Xiangfeng <jingxiangfeng@huawei.com>
Signed-off-by: NMa Wupeng <mawupeng1@huawei.com>
Reviewed-by: NKefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>