RDMA/hns: Return actual error code instead of fixed EINVAL

RDMA/hns: Return actual error code instead of fixed EINVAL

query_cqc() and query_mpt() may return various error codes in
different cases. Return actual error code instead of fixed EINVAL.

Fixes: f2b070f36d1b ("RDMA/hns: Support CQ's restrack raw ops for hns driver")
Fixes: 3d67e7e236ad ("RDMA/hns: Support MR's restrack raw ops for hns driver")
Signed-off-by: Junxian Huang <huangjunxian6@hisilicon.com>
Link: https://patch.msgid.link/20260104064057.1582216-3-huangjunxian6@hisilicon.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>