RDMA/core: Don't compare specific bit after boolean AND

There is no need to perform extra comparison after boolean AND.
Signed-off-by: NLeon Romanovsky <leonro@mellanox.com>
Reviewed-by: NDennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: NJason Gunthorpe <jgg@mellanox.com>

include/rdma/ib_verbs.h

@@ -2994,8 +2994,8 @@ static inline bool rdma_cap_ib_mad(const struct ib_device *device, u8 port_num)
  */
 static inline bool rdma_cap_opa_mad(struct ib_device *device, u8 port_num)
 {
-	return (device->port_data[port_num].immutable.core_cap_flags &
-		RDMA_CORE_CAP_OPA_MAD) == RDMA_CORE_CAP_OPA_MAD;
+	return device->port_data[port_num].immutable.core_cap_flags &
+		RDMA_CORE_CAP_OPA_MAD;
 }
 
 /**