fix ENTITY_GENERIC_ERROR when context broker respond with status code…

… in update operation

with orion ld 1.5.1 during the transmission of the first measure operation the context broker respond with 201 status code

lib/services/ngsi/entities-NGSI-LD.js

@@ -341,7 +341,7 @@ function generateNGSILDOperationHandler(operationName, entityName, typeInformati
         } else if (
             response &&
             operationName === 'update' &&
-            (response.statusCode === 200 || response.statusCode === 204)
+            (response.statusCode === 200 || response.statusCode === 204 || response.statusCode === 201)
         ) {
             logger.info(context, 'Received the following response from the CB: Value updated successfully\n');
             alarms.release(constants.ORION_ALARM);