VOL-3983: Support for GET request/response extended message set

Change-Id: I9eab817f5c1bc918e18dd45de6bb3109db1e5cce
diff --git a/generated/omcidefs.go b/generated/omcidefs.go
index 8924e7d..5e845ff 100644
--- a/generated/omcidefs.go
+++ b/generated/omcidefs.go
@@ -105,6 +105,7 @@
 	TestResult            MsgType = 27
 	GetCurrentData        MsgType = 28
 	SetTable              MsgType = 29 // Defined in Extended Message Set Only
+	ExtendedOffset        MsgType = 0x80
 )
 
 func (mt MsgType) String() string {