bgpd: lttng tp add evpn route events

bgpd: lttng tp add evpn route events

Ticket:#3597393
Testing Done:

2023-09-08T22:53:03.532 frr_bgp:evpn_withdraw_type5 {'vrf_id': 42, 'ip':
'53.1.1.0'}
2023-09-08T22:53:06.207 frr_bgp:evpn_advertise_type5 {'vrf_id': 42,
'ip': '53.1.1.0', 'rmac': '00:02:00:00:00:38', 'vtep': '27.0.0.15'}

2023-09-08T21:51:15.637 frr_bgp:evpn_mh_local_ead_es_evi_route_upd
{'esi': '03:44:38:39:ff:ff:01:00:00:03', 'vni': 1000, 'route_type': 1,
'vtep': '27.0.0.15'}

2023-09-08T20:45:17.059 frr_bgp:evpn_mh_local_ead_es_evi_route_del
{'esi': '03:44:38:39:ff:ff:01:00:00:01', 'vni': 0, 'route_type': 4,
'vtep': '27.0.0.15'}

2023-09-08T21:51:18.363 frr_bgp:evpn_mh_es_evi_vtep_add {'esi':
'03:44:38:39:ff:ff:01:00:00:02', 'vni': 1000, 'vtep': '27.0.0.16',
'ead_es': 1}

2023-09-08T20:43:50.206 frr_bgp:evpn_mh_es_evi_vtep_del {'esi':
'03:44:38:39:ff:ff:01:00:00:01', 'vni': 1002, 'vtep': '27.0.0.16',
'ead_es': 0}

Signed-off-by: Chirag Shah <chirag@nvidia.com>