!519 Add new command to support query vf caps

Merge Pull Request from: @stinft 
 
The current resource query for vf caps is driven by the driver, which is unreasonable. This patch adds a new command HNS_ROCE_OPC_QUERY_PF_CAPS_NUM to support obtaining vf caps information from firmware.
bugzilla:#I6K9B6 
 
Link:https://gitee.com/openeuler/kernel/pulls/519

 

Reviewed-by: Chengchang Tang <tangchengchang@huawei.com>
Reviewed-by: Jialin Zhang <zhangjialin11@huawei.com>
Reviewed-by: Yue Haibing <yuehaibing@huawei.com>
Signed-off-by: Jialin Zhang <zhangjialin11@huawei.com>