RDMA/hns: Add support for RDMA VF over UBL

driver inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I8AL44



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This patch supports RDMA VF over UBL.

Signed-off-by: Chengchang Tang <tangchengchang@huawei.com>
Signed-off-by: Haoyue Xu <xuhaoyue1@hisilicon.com>
Signed-off-by: Junxian Huang <huangjunxian6@hisilicon.com>