Backport fabric-tna dbuf support to v1model

Change-Id: I6a957d2474e94e1dcb7c3f598033ff243754372f
diff --git a/pipelines/fabric/impl/src/main/resources/include/define.p4 b/pipelines/fabric/impl/src/main/resources/include/define.p4
index bfb7b44..41d518e 100644
--- a/pipelines/fabric/impl/src/main/resources/include/define.p4
+++ b/pipelines/fabric/impl/src/main/resources/include/define.p4
@@ -108,6 +108,7 @@
 const spgw_interface_t SPGW_IFACE_UNKNOWN = 8w0;
 const spgw_interface_t SPGW_IFACE_ACCESS = 8w1;
 const spgw_interface_t SPGW_IFACE_CORE = 8w2;
+const spgw_interface_t SPGW_IFACE_FROM_DBUF = 8w3;
 const direction_t SPGW_DIR_UNKNOWN = 2w0;
 const direction_t SPGW_DIR_UPLINK = 2w1;
 const direction_t SPGW_DIR_DOWNLINK = 2w2;