Workaround to counter-issue as suggested by Antonin

Manually modified via makefile context.json

Change-Id: Ibed9e0691bf1d552db28470da57955e8f3ca802a
diff --git a/tools/test/p4src/p4-14/include/defines.p4 b/tools/test/p4src/p4-14/include/defines.p4
index dda4520..cfada18 100644
--- a/tools/test/p4src/p4-14/include/defines.p4
+++ b/tools/test/p4src/p4-14/include/defines.p4
@@ -16,7 +16,7 @@
 #ifdef __TOFINO_BUILD__
 #define EGR_PORT_FIELD ig_intr_md_for_tm.ucast_egress_port
 #define IGR_PORT_FIELD ig_intr_md.ingress_port
-#define MAX_PORTS 510
+#define MAX_PORTS 512
 #else
 #define EGR_PORT_FIELD standard_metadata.egress_spec
 #define IGR_PORT_FIELD standard_metadata.ingress_port