sw64: deliver a hot reset to Root Complex with plugin JMicron 585 card

Sunway inclusion
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I5GFPA



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On SW64 platform, JMicron 585 SATA card directly connected to Root
Complex may raise DMA failure when reboot, so we force a hot reset
to Root Complex to fix can not access JMicron 585 SATA card.

Signed-off-by: Zhu Donghong <zhudonghong@wxiat.com>

Signed-off-by: Gu Zitao <guzitao@wxiat.com>