[VOL-4293] OpenONU Adapter update for gRPC migration

Change-Id: I05300d3b95b878f44576a99a05f53f52fdc0cda1
diff --git a/vendor/golang.org/x/sys/unix/syscall_unix_gc_ppc64x.go b/vendor/golang.org/x/sys/unix/syscall_unix_gc_ppc64x.go
index 86dc765..f6f707a 100644
--- a/vendor/golang.org/x/sys/unix/syscall_unix_gc_ppc64x.go
+++ b/vendor/golang.org/x/sys/unix/syscall_unix_gc_ppc64x.go
@@ -2,9 +2,10 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build linux && (ppc64le || ppc64) && gc
 // +build linux
 // +build ppc64le ppc64
-// +build !gccgo
+// +build gc
 
 package unix