[VOL-4678] BBSIM: OMCI extended message set - make OMCC version configurable

Change-Id: I0380040e3e6e35ef8d99f62ca8898bc9e7b752f6
diff --git a/bbsim/values.yaml b/bbsim/values.yaml
index dd160ee..93ee026 100644
--- a/bbsim/values.yaml
+++ b/bbsim/values.yaml
@@ -32,6 +32,7 @@
 pots: 0
 injectOmciUnknownMe: false
 injectOmciUnknownAttributes: false
+omccVersion: 163
 nni_dhcp_trap_vid: 0
 
 # time that BBSim should wait to emulate an hardware reboot