VOL-4337: Code upgrade for 3/2020 G.988 support and remaining Extended Message Set support

Change-Id: I6c5e1a167216ad9b51e9da89460e9909465ae1bc
diff --git a/generated/thresholddata1.go b/generated/thresholddata1.go
index 2d062ee..d398f61 100644
--- a/generated/thresholddata1.go
+++ b/generated/thresholddata1.go
@@ -27,11 +27,11 @@
 
 // ThresholdData1ClassID is the 16-bit ID for the OMCI
 // Managed entity Threshold data 1
-const ThresholdData1ClassID ClassID = ClassID(273)
+const ThresholdData1ClassID = ClassID(273) // 0x0111
 
 var thresholddata1BME *ManagedEntityDefinition
 
-// ThresholdData1 (class ID #273)
+// ThresholdData1 (Class ID: #273 / 0x0111)
 //	Threshold data are partitioned into two MEs for historical reasons. An instance of this ME,
 //	together with an optional instance of the threshold data 2 ME, contains threshold values for
 //	counters in PM history data MEs.
@@ -46,8 +46,12 @@
 //
 //	Attributes
 //		Managed Entity Id
-//			Managed entity ID: This attribute uniquely identifies each instance of this ME. (R, setbycreate)
-//			(mandatory) (2-bytes)
+//			This attribute uniquely identifies each instance of this ME. (R, setbycreate) (mandatory)
+//			(2-bytes)
+//
+//			The following seven attributes specify threshold values for seven thresholded counters in
+//			associated PM history data MEs. The definition of each PM history ME includes a table that links
+//			each thresholded counter to one of these threshold value attributes.
 //
 //		Threshold Value_1
 //			Threshold value-1: (R,-W, setbycreate) (mandatory) (4-bytes)