Merge pull request #4778 from mjstapp/dplane_macs

zebra: use dataplane for evpn macs

diff --cc zebra/rt_netlink.c
Simple merge

diff --cc zebra/zebra_dplane.c
Simple merge

diff --cc zebra/zebra_rib.c
Simple merge

diff --cc zebra/zebra_vxlan.c
Simple merge