RDMA/hns: Use complete parentheses in macros

Use complete parentheses to ensure that macro expansion does
not produce unexpected results.

Fixes: a25d13cb

 ("RDMA/hns: Add the interfaces to support multi hop addressing for the contexts in hip08")
Signed-off-by: Chengchang Tang <tangchengchang@huawei.com>
Signed-off-by: Junxian Huang <huangjunxian6@hisilicon.com>
Link: https://lore.kernel.org/r/20240412091616.370789-10-huangjunxian6@hisilicon.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>