Agentctl2: Rename CLI command to vppcli
Agentctl2: Rename CLI command to vppcli

Signed-off-by: Andrej Kozemcak <806670a1cb1f0508258ef96648425f1247742d81@pantheon.tech>

VladoLavor/vpp-agent,VladoLavor/vpp-agent,ondrej-fabry/vpp-agent,ondrej-fabry/vpp-agent,VladoLavor/vpp-agent,ondrej-fabry/vpp-agent