This defines the DOCSIS version of the modems that the
enforce rule would be applicable to. If it is set to
docsis10(2) then only ccqmCmtsEnfRuleRegQoS
and ccqmCmtsEnfRuleEnfQoS can be set and if previously
ccqmCmtsEnfRuleRegSerClassName and
ccqmCmtsEnfRuleEnfSerClassName were set, they will be
reset to NULL and if it set to others(1) then
only ccqmCmtsEnfRuleRegSerClassName and
ccqmCmtsEnfRuleEnfSerClassName can be set and if previously
ccqmCmtsEnfRuleRegQoS and ccqmCmtsEnfRuleEnfQoS were set
they will be reset to 0.