VOL-1460 Updated core to use voltha-protos instead of local protos
Moved protos to python directory in order to maintain functionaly of containers built there.
Added capability to do local builds of protos
Added instructions on running dep ensure for getting protos.
Updated github.com/golang/protobuf version to v1.3.1

Change-Id: Ia6ef55f07f0d5dcb5b750d7c37b21b71db85bfc4
diff --git a/vendor/golang.org/x/sys/unix/ztypes_openbsd_arm.go b/vendor/golang.org/x/sys/unix/ztypes_openbsd_arm.go
index 510efc3..b45d5ee 100644
--- a/vendor/golang.org/x/sys/unix/ztypes_openbsd_arm.go
+++ b/vendor/golang.org/x/sys/unix/ztypes_openbsd_arm.go
@@ -559,3 +559,13 @@
 	Fpswtch            int32
 	Kmapent            int32
 }
+
+const SizeofClockinfo = 0x14
+
+type Clockinfo struct {
+	Hz      int32
+	Tick    int32
+	Tickadj int32
+	Stathz  int32
+	Profhz  int32
+}