net: hns3: modify reset delay time to avoid configuration timeout

driver inclusion
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I6SLBO


CVE: NA

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Currently the vf function reset needs to delay 5000ms for stack recovery.
This is too long for product configurations and cause configuration
failures. According to the tests, 500ms delay is enough for reset process
except PF FLR. So this patch adapts this delay in these scenarios.

Signed-off-by: Jie Wang <wangjie125@huawei.com>