Enable trust mode control for SR-IOV ports

driver inclusion
category: feature
bugzilla: 4472

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Added support for trust mode on VFs. This allows the VM to change the MAC
address of the VF on the host at run time.

Signed-off-by: Chiqijun <chiqijun@huawei.com>
Reviewed-by: Luoshaokai <luoshaokai@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>