VOL-4277 onu-adapter should change device's operational-state to FAILED if EnableDevice fails in adapter.

Change-Id: I71e34e1f3efd322ab2e06073dab9fe60e445dbd7
diff --git a/internal/pkg/common/defines.go b/internal/pkg/common/defines.go
index 0662465..d7ca0f5 100755
--- a/internal/pkg/common/defines.go
+++ b/internal/pkg/common/defines.go
@@ -161,6 +161,8 @@
 	UniDisableStateDone
 	// UniEnableStateDone - Uni ports admin set to unlock based on device re-enable
 	UniEnableStateDone
+	// UniEnableStateFailed - Uni ports admin set to unlock failure based on device re-enable
+	UniEnableStateFailed
 	// PortLinkUp - Port link state change
 	PortLinkUp
 	// PortLinkDw - Port link state change