RDMA/hns: Fix XRC caps on HIP08

RDMA/hns: Fix XRC caps on HIP08

[ Upstream commit 91e0c64c9772db54226b0915825491e0dc96499c ]

XRC caps has been set by default. But in fact, XRC is not supported in
HIP08.

Fixes: 7b68bf6d205a ("RDMA/hns: Add support for XRC on HIP09")
Link: https://lore.kernel.org/r/20221126102911.2921820-7-xuhaoyue1@hisilicon.com
Signed-off-by: Chengchang Tang <tangchengchang@huawei.com>
Signed-off-by: Haoyue Xu <xuhaoyue1@hisilicon.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>