Use net-snmp-config package to package script and service file for
net-snmp-config package.
Like net-snmp, net-snmp-config will also not be installed on computer
and storage node.
Deployment test and ping test between VMs pass
Config,serivce and script files check pass.
Story: 2003768
Task: 27586
Change-Id: I2f9d1bfdbe0b27fbd58137df8a3fd36d3053defa
Signed-off-by: zhipengl <zhipengs.liu@intel.com>