First Commit of Voltha-Go-Controller from Radisys

Change-Id: I8e2e908e7ab09a4fe3d86849da18b6d69dcf4ab0
diff --git a/vendor/golang.org/x/sys/unix/sysvshm_unix_other.go b/vendor/golang.org/x/sys/unix/sysvshm_unix_other.go
new file mode 100644
index 0000000..71bddef
--- /dev/null
+++ b/vendor/golang.org/x/sys/unix/sysvshm_unix_other.go
@@ -0,0 +1,14 @@
+// Copyright 2021 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 darwin && !ios
+// +build darwin,!ios
+
+package unix
+
+// SysvShmCtl performs control operations on the shared memory segment
+// specified by id.
+func SysvShmCtl(id, cmd int, desc *SysvShmDesc) (result int, err error) {
+	return shmctl(id, cmd, desc)
+}