driver inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I473Q4?from=project-issue

----------------------------------------------------------------------

This driver will provide all device operations as long as it's probed
successfully by vfio-pci driver.
Signed-off-by: NLongfang Liu <liulongfang@huawei.com>
Reviewed-by: NHao Fang <fanghao11@huawei.com>
Reviewed-by: NMingqiang Ling <lingmingqiang@huawei.com>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>