bgpd: add mac-vrf soo to show bgp l2vpn evpn vni

Adds the current MAC-VRF SoO value to the output of "show bgp l2vpn evpn
vni [vni]". Also fixes a missing space in front of the Tenant VRF string.

New output:
```
ub20-2(config-router-af)# do show bgp l2vpn evpn vni
Advertise Gateway Macip: Disabled
Advertise SVI Macip: Disabled
Advertise All VNI flag: Enabled
BUM flooding: Head-end replication
VXLAN flooding: Enabled
Number of L2 VNIs: 2
Number of L3 VNIs: 1
Flags: * - Kernel
  VNI        Type RD                    Import RT                 Export RT                 MAC-VRF Site-of-Origin    Tenant VRF
* 20         L2   100.64.0.33:3         1:20                      1:20                      3.3.3.3:20                stuff
* 30         L2   100.64.0.33:4         1:30                      1:30                      3.3.3.3:20                stuff
* 10         L3   30.0.0.3:2            1:10                      1:10                      3.3.3.3:20                stuff

ub20-2(config-router-af)# do show bgp l2vpn evpn vni 10
VNI: 10 (known to the kernel)
  Type: L3
  Tenant VRF: stuff
  RD: 30.0.0.3:2
  Originator IP: 3.3.3.3
  MAC-VRF Site-of-Origin: 3.3.3.3:20     <<<<<
  Advertise-gw-macip : n/a
  Advertise-svi-macip : n/a
  Advertise-pip: Yes
  System-IP: 100.64.0.33
  System-MAC: aa:bb:cc:00:33:33
  Router-MAC: aa:bb:cc:00:33:33
  Import Route Target:
    1:10
  Export Route Target:
    1:10

ub20-2(config-router-af)# do show bgp l2vpn evpn vni 20
VNI: 20 (known to the kernel)
  Type: L2
  Tenant-Vrf: stuff
  RD: 100.64.0.33:3
  Originator IP: 3.3.3.3
  MAC-VRF Site-of-Origin: 3.3.3.3:20     <<<<<
  Mcast group: 0.0.0.0
  Advertise-gw-macip : Disabled
  Advertise-svi-macip : Disabled
  SVI interface : br20
  Import Route Target:
    1:20
  Export Route Target:
    1:20
```

Signed-off-by: Trey Aspelund <taspelund@nvidia.com>

0 files changed, 0 insertions, 0 deletions