!288 Add support for ConnectX6 Lx and ConnectX6Dx with openEuler inbox driver

Merge Pull Request from: @meitingli 
 
Add the upcoming ConnectX-6 Dx, ConnectX-6 LX device ID.
In addition, add "ConnectX Family mlx5Gen Virtual Function" device ID. 
Every new HCA VF will be identified with this device ID. 
Different VF models will be distinguished by their revision id.
 
 
Link:https://gitee.com/openeuler/kernel/pulls/288

 
Reviewed-by: Laibin Qiu <qiulaibin@huawei.com>
Signed-off-by: Xie XiuQi <xiexiuqi@huawei.com>