ONEAPP-1122 zigbee RGB bulb missing ocf icon (SmartThingsCommunity#2765)

Author: greens

devicetypes/smartthings/zigbee-rgb-bulb.src/zigbee-rgb-bulb.groovy

@@ -18,7 +18,7 @@
 import physicalgraph.zigbee.zcl.DataType
 
 metadata {
-	definition (name: "ZigBee RGB Bulb", namespace: "smartthings", author: "SmartThings", runLocally: true, minHubCoreVersion: '000.019.00012', executeCommandsLocally: true) {
+	definition (name: "ZigBee RGB Bulb", namespace: "smartthings", author: "SmartThings", runLocally: true, minHubCoreVersion: '000.019.00012', executeCommandsLocally: true, ocfDeviceType: "oic.d.light") {
 
 		capability "Actuator"
 		capability "Color Control"