RDMA/hns: Remove enable rq inline in kernel and add compatibility handling

driver inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I5USIG



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The rq inline only use in userspace, and it should enable in RTR
status. Added compatibility processing between different user space
and kernel space.

Signed-off-by: Luoyouming <luoyouming@huawei.com>
Reviewed-by: Yangyang Li <liyangyang20@huawei.com>
Reviewed-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>