Support for different tofino systems (mavericks and montara)

The tofino driver will now register two pipeconf, one for each system.
The right one should be injected via netcfg.

Change-Id: I0fc3e8afa6fedef13d1ab7067811707748e8e916
diff --git a/tools/test/p4src/p4-14/p4c-out/tofino/default/montara/logs/transform.log b/tools/test/p4src/p4-14/p4c-out/tofino/default/montara/logs/transform.log
new file mode 100644
index 0000000..4d7c799
--- /dev/null
+++ b/tools/test/p4src/p4-14/p4c-out/tofino/default/montara/logs/transform.log
@@ -0,0 +1,15 @@
++---------------------------------------------------------------------+
+|  Log file: transform.log                                            |
+|  Compiler version: 5.1.0 (fca32d1)                                  |
+|  Created on: Thu Sep  7 13:56:53 2017                               |
++---------------------------------------------------------------------+
+
+-------------------------------
+Transform pass 0
+-------------------------------
+-------------------------------
+Transform pass 1
+-------------------------------
+-------------------------------
+Metadata initialization transformations
+-------------------------------