IB: Remove __constant_{endian} uses

The base versions handle constant folding just fine, use them
directly.  The replacements are OK in the include/ files as they are
not exported to userspace so we don't need the __ prefixed versions.

This patch does not affect code generation at all.

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
diff --git a/include/rdma/ib_cm.h b/include/rdma/ib_cm.h
index ec7c6d9..9388583 100644
--- a/include/rdma/ib_cm.h
+++ b/include/rdma/ib_cm.h
@@ -314,12 +314,12 @@
  */
 void ib_destroy_cm_id(struct ib_cm_id *cm_id);
 
-#define IB_SERVICE_ID_AGN_MASK	__constant_cpu_to_be64(0xFF00000000000000ULL)
-#define IB_CM_ASSIGN_SERVICE_ID __constant_cpu_to_be64(0x0200000000000000ULL)
-#define IB_CMA_SERVICE_ID	__constant_cpu_to_be64(0x0000000001000000ULL)
-#define IB_CMA_SERVICE_ID_MASK	__constant_cpu_to_be64(0xFFFFFFFFFF000000ULL)
-#define IB_SDP_SERVICE_ID	__constant_cpu_to_be64(0x0000000000010000ULL)
-#define IB_SDP_SERVICE_ID_MASK	__constant_cpu_to_be64(0xFFFFFFFFFFFF0000ULL)
+#define IB_SERVICE_ID_AGN_MASK	cpu_to_be64(0xFF00000000000000ULL)
+#define IB_CM_ASSIGN_SERVICE_ID	cpu_to_be64(0x0200000000000000ULL)
+#define IB_CMA_SERVICE_ID	cpu_to_be64(0x0000000001000000ULL)
+#define IB_CMA_SERVICE_ID_MASK	cpu_to_be64(0xFFFFFFFFFF000000ULL)
+#define IB_SDP_SERVICE_ID	cpu_to_be64(0x0000000000010000ULL)
+#define IB_SDP_SERVICE_ID_MASK	cpu_to_be64(0xFFFFFFFFFFFF0000ULL)
 
 struct ib_cm_compare_data {
 	u8  data[IB_CM_COMPARE_SIZE];