[ONOS-6596] Port example P4 programs from P4_14 to P4_16

Change-Id: I74485ea66894b425fa9f6508a67cb38dbef85a4f
diff --git a/tools/test/p4src/p4-16/include/checksums.p4 b/tools/test/p4src/p4-16/include/checksums.p4
new file mode 100644
index 0000000..09365dc
--- /dev/null
+++ b/tools/test/p4src/p4-16/include/checksums.p4
@@ -0,0 +1,17 @@
+#ifndef CHECK_SUMS
+#define CHECK_SUMS
+#include "headers.p4"
+#include "metadata.p4"
+
+control verifyChecksum(in headers hdr, inout metadata meta) {
+    apply {
+        // Nothing to do
+    }
+}
+
+control computeChecksum(inout headers hdr, inout metadata meta) {
+    apply {
+        // Nothing to do
+    }
+}
+#endif