RDMA/hns: Fix error during modify qp RTS2RTS

One qp state migrations legal configuration was deleted mistakenly.

Fixes: 357f3429 ("RDMA/hns: Simplify the state judgment code of qp")
Link: https://lore.kernel.org/r/1595932941-40613-7-git-send-email-liweihang@huawei.comSigned-off-by: Lang Cheng <chenglang@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

drivers/infiniband/hw/hns/hns_roce_hw_v2.c

@@ -4262,7 +4262,9 @@ static bool check_qp_state(enum ib_qp_state cur_state,
 		[IB_QPS_RTR] = { [IB_QPS_RESET] = true,
 				 [IB_QPS_RTS] = true,
 				 [IB_QPS_ERR] = true },
-		[IB_QPS_RTS] = { [IB_QPS_RESET] = true, [IB_QPS_ERR] = true },
+		[IB_QPS_RTS] = { [IB_QPS_RESET] = true,
+				 [IB_QPS_RTS] = true,
+				 [IB_QPS_ERR] = true },
 		[IB_QPS_SQD] = {},
 		[IB_QPS_SQE] = {},
 		[IB_QPS_ERR] = { [IB_QPS_RESET] = true, [IB_QPS_ERR] = true }