qm: reinforce reset failure scene

driver inclusion
category: bugfix
bugzilla: NA
CVE: NA

In this patch, we try to reinforce reset process logic in failure
scene. When reset failure occurs, we should set hw_err flag, clear
reset flag and isolate the device directly, which can notify user
process to stop sending and recycle the failed tasks. Because the
user process recycles tasks depending on the flag bit of cqe, we
should not clear it.

Signed-off-by: Yu'an Wang <wangyuan46@huawei.com>
Reviewed-by: Cheng Hu <hucheng.hu@huawei.com>
Reviewed-by: Guangwei Zhou <zhouguangwei5@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>