euleros inclusion
category: bugfix

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stage_flush_vm() can be pretty time-consuming if lots of stage-2 mappings
had been setup before booting secondary processors. Sidestep the heavy
D-cache maintenance operations on D05 *only*.
Signed-off-by: NZenghui Yu <yuzenghui@huawei.com>
Reviewed-by: Nzhanghailiang <zhang.zhanghailiang@huawei.com>
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>