IB/hns: Fix two bugs for rdma cm connecting

This patch mainly modify the value of HNS_ROCE_SL_SHIFT
and delete the lines for assigning for the field of
local_enable_e2e_credit in QP1C.
Signed-off-by: Lijun Ou <oulijun@huawei.com>
Reviewed-by: Wei Hu <xavier.huwei@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

drivers/infiniband/hw/hns/hns_roce_device.h

@@ -62,7 +62,7 @@
 #define HNS_ROCE_AEQE_OF_VEC_NUM		1
 
 /* 4G/4K = 1M */
-#define HNS_ROCE_SL_SHIFT			29
+#define HNS_ROCE_SL_SHIFT			28
 #define HNS_ROCE_TCLASS_SHIFT			20
 #define HNS_ROCE_FLOW_LABLE_MASK		0xfffff
 

drivers/infiniband/hw/hns/hns_roce_hw_v1.c

@@ -1734,9 +1734,6 @@ static int hns_roce_v1_m_sqp(struct ib_qp *ibqp, const struct ib_qp_attr *attr,
 		roce_set_bit(context->qp1c_bytes_16,
 			     QP1C_BYTES_16_SIGNALING_TYPE_S,
 			     hr_qp->sq_signal_bits);
-		roce_set_bit(context->qp1c_bytes_16,
-			     QP1C_BYTES_16_LOCAL_ENABLE_E2E_CREDIT_S,
-			     hr_qp->sq_signal_bits);
 		roce_set_bit(context->qp1c_bytes_16, QP1C_BYTES_16_RQ_BA_FLG_S,
 			     1);
 		roce_set_bit(context->qp1c_bytes_16, QP1C_BYTES_16_SQ_BA_FLG_S,