[VOL-5378]-ppoeIA and DHCPRA support in voltha openolt adapter

Change-Id: I12d304294eca680a64b7f0b02b9ef1783854438f
Signed-off-by: Akash Soni <akash.soni@radisys.com>
diff --git a/go.mod b/go.mod
index a267f63..88e878b 100644
--- a/go.mod
+++ b/go.mod
@@ -14,7 +14,7 @@
 	github.com/golang/protobuf v1.5.2
 	github.com/grpc-ecosystem/go-grpc-middleware v1.3.0
 	github.com/opencord/voltha-lib-go/v7 v7.5.3
-	github.com/opencord/voltha-protos/v5 v5.4.11
+	github.com/opencord/voltha-protos/v5 v5.6.0
 	github.com/stretchr/testify v1.7.0
 	go.etcd.io/etcd v3.3.25+incompatible
 	google.golang.org/grpc v1.44.0