RDMA/siw: use true,false for bool variable

Fixes coccicheck warning:

drivers/infiniband/sw/siw/siw_cm.c:32:18-41: WARNING: Assignment of 0/1 to bool variable

Link: https://lore.kernel.org/r/1577176812-2238-2-git-send-email-zhengbin13@huawei.comReported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: zhengbin <zhengbin13@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

drivers/infiniband/sw/siw/siw_cm.c

@@ -29,7 +29,7 @@
  * MPA_V2_RDMA_NO_RTR, MPA_V2_RDMA_READ_RTR, MPA_V2_RDMA_WRITE_RTR
  */
 static __be16 rtr_type = MPA_V2_RDMA_READ_RTR | MPA_V2_RDMA_WRITE_RTR;
-static const bool relaxed_ird_negotiation = 1;
+static const bool relaxed_ird_negotiation = true;
 
 static void siw_cm_llp_state_change(struct sock *s);
 static void siw_cm_llp_data_ready(struct sock *s);