RDMA/hns: Fix type of sq_signal_bits

stable inclusion
from stable-5.10.20
commit 7e2cf295cee25fd17b9a94ffcae710c1609010f6
bugzilla: 50608

--------------------------------

[ Upstream commit ea4092f3 ]

This bit should be in type of enum ib_sig_type, or there will be a sparse
warning.

Fixes: bfe86035 ("RDMA/hns: Fix cast from or to restricted __le32 for driver")
Link: https://lore.kernel.org/r/1612517974-31867-3-git-send-email-liweihang@huawei.comReported-by: Nkernel test robot <lkp@intel.com>
Signed-off-by: NWeihang Li <liweihang@huawei.com>
Signed-off-by: NJason Gunthorpe <jgg@nvidia.com>
Signed-off-by: NSasha Levin <sashal@kernel.org>
Signed-off-by: NChen Jun <chenjun102@huawei.com>
Acked-by: NXie XiuQi <xiexiuqi@huawei.com>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>

drivers/infiniband/hw/hns/hns_roce_device.h

@@ -632,7 +632,7 @@ struct hns_roce_qp {
 	struct hns_roce_db	sdb;
 	unsigned long		en_flags;
 	u32			doorbell_qpn;
-	u32			sq_signal_bits;
+	enum ib_sig_type	sq_signal_bits;
 	struct hns_roce_wq	sq;
 
 	struct hns_roce_mtr	mtr;