RDMA/hns: Use new interface to modify QP context

mainline inclusion
from mainline-v5.12-rc1
commit f0cb411a
category: bugfix
bugzilla: 174002
CVE:NA

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f0cb411aad23aff0f1dc530d0d6306a5df0574cc

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    Fill all QPC fileds with hr_reg_*() instead of roce_set_*(). SQPN is used
    for HIP08 ES only, it should be removed.

    Link: https://lore.kernel.org/r/1624262443-24528-6-git-send-email-liweihang@huawei

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com
    Signed-off-by: Lang Cheng <chenglang@huawei.com>
    Signed-off-by: Weihang Li <liweihang@huawei.com>
    Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

Reviewed-by: ChunZhi Hu <huchunzhi@huawei.com>

Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>