Port help text for dvr_base_mac from neutron.conf
Port help text for dvr_base_mac from neutron.conf

The help text for the option in the current static configuration file
contained additional information which would be lost when we switch to
generating the file. This patch copies it over to the oslo.config help
parameter.

Related-blueprint: autogen-neutron-conf-file

Change-Id: Id03925b4bbbee697bf5372392c2345802a1863f8

klmitch/neutron,jumpojoy/neutron,neoareslinux/neutron,takeshineshiro/neutron,watonyweng/neutron,jacknjzhou/neutron,klmitch/neutron,cisco-openstack/neutron,openstack/neutron,huntxu/neutron,sebrandon1/neutron,skyddv/neutron,mahak/neutron,openstack/neutron,watonyweng/neutron,MaximNevrov/neutron,silenci/neutron,vivekanand1101/neutron,wolverineav/neutron,igor-toga/local-snat,sasukeh/neutron,eayunstack/neutron,javaos74/neutron,mahak/neutron,mahak/neutron,eayunstack/neutron,suneeth51/neutron,neoareslinux/neutron,JianyuWang/neutron,bigswitch/neutron,MaximNevrov/neutron,SamYaple/neutron,huntxu/neutron,adelina-t/neutron,barnsnake351/neutron,dims/neutron,bigswitch/neutron,skyddv/neutron,takeshineshiro/neutron,paninetworks/neutron,asgard-lab/neutron,noironetworks/neutron,jacknjzhou/neutron,SamYaple/neutron,silenci/neutron,dhanunjaya/neutron,JianyuWang/neutron,glove747/liberty-neutron,dims/neutron,swdream/neutron,apporc/neutron,noironetworks/neutron,asgard-lab/neutron,mattt416/neutron,sasukeh/neutron,suneeth51/neutron,openstack/neutron,adelina-t/neutron,mmnelemane/neutron,glove747/liberty-neutron,yanheven/neutron,jumpojoy/neutron,chitr/neutron,chitr/neutron,shahbazn/neutron,barnsnake351/neutron,cloudbase/neutron,cloudbase/neutron,sebrandon1/neutron,mattt416/neutron,javaos74/neutron,wolverineav/neutron,yanheven/neutron,dhanunjaya/neutron,shahbazn/neutron,swdream/neutron,mmnelemane/neutron,vivekanand1101/neutron,paninetworks/neutron,cisco-openstack/neutron,igor-toga/local-snat,apporc/neutron