SEBA-941 updated apis to  poweron/shutdown all ONUs in PON/OLT

Change-Id: I6923cbcc51a4391f70ff08d266c274e1f34ca3ca
diff --git a/cmd/bbsimctl/bbsimctl.go b/cmd/bbsimctl/bbsimctl.go
index 3c69890..cc05835 100644
--- a/cmd/bbsimctl/bbsimctl.go
+++ b/cmd/bbsimctl/bbsimctl.go
@@ -38,6 +38,7 @@
 	commands.RegisterConfigCommands(parser)
 	commands.RegisterOltCommands(parser)
 	commands.RegisterONUCommands(parser)
+	commands.RegisterPonCommands(parser)
 	commands.RegisterCompletionCommands(parser)
 	commands.RegisterLoggingCommands(parser)