pimd: display commands for the pim-vxlan-sg database and worklist

pimd: display commands for the pim-vxlan-sg database and worklist

Sample output:
root@TORS1:~# vtysh -c "show ip pim vxlan-groups"
Codes: I -> installed
Source          Group           Input           Output          Flags
27.0.0.7        239.1.1.101     lo                              I
*               239.1.1.100     -               ipmr-lo         I
*               239.1.1.101     -               ipmr-lo         I
27.0.0.7        239.1.1.100     lo                              I
root@TORS1:~#

root@TORS1:~# vtysh -c "show ip pim vxlan-work"
Codes: I -> installed
Source          Group           Input           Flags
27.0.0.7        239.1.1.100     lo                              I
PS: note the worklist dump is a hidden command

Signed-off-by: Anuradha Karuppiah <anuradhak@cumulusnetworks.com>