[VOL-4638] Add communication with VOLTHA NBI and the Olt app REST APIs

Change-Id: I6ccf5725a108b91f47dfc4c20e9614b38c71419a
diff --git a/vendor/golang.org/x/sys/unix/endian_big.go b/vendor/golang.org/x/sys/unix/endian_big.go
new file mode 100644
index 0000000..a520265
--- /dev/null
+++ b/vendor/golang.org/x/sys/unix/endian_big.go
@@ -0,0 +1,10 @@
+// Copyright 2016 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+//
+//go:build armbe || arm64be || m68k || mips || mips64 || mips64p32 || ppc || ppc64 || s390 || s390x || shbe || sparc || sparc64
+// +build armbe arm64be m68k mips mips64 mips64p32 ppc ppc64 s390 s390x shbe sparc sparc64
+
+package unix
+
+const isBigEndian = true