Coherent Add/Drop

This device has an Oplink/Molex ITMA instead of the Lumentum OCM, but
that does not need any DT configuration. There's also a second TLC59116
for per-add-port status control.

LED numbering on the add-on board goes backwards, but that's not really
an issue.

Change-Id: I285b730c16934d2638c005329253b0207fa69fde
diff --git a/board/czechlight/clearfog/sdn-roadm-clearfog.dtsi b/board/czechlight/clearfog/sdn-roadm-clearfog.dtsi
index 344d1db..04d5b38 100644
--- a/board/czechlight/clearfog/sdn-roadm-clearfog.dtsi
+++ b/board/czechlight/clearfog/sdn-roadm-clearfog.dtsi
@@ -189,7 +189,7 @@
 		};
 	};
 
-	lumentum-ocm@3 {
+	lumentum_ocm: lumentum-ocm@3 {
 		compatible = "lumentum-ocm";
 		reg = <3>;
 		spi-max-frequency = <12000000>;