Added test cases to create and delete VLAN via IPMI
Added test cases to create and delete VLAN via IPMI

Change-Id: Ie48d72f39d74eedc19521fcdfd33b4aa4e0e2ffe
Signed-off-by: Anvesh Kumar Rayankula <edc7e983fb0601fe4e68cbcf2252d0d5f713eb89@in.ibm.com>

openbmc/openbmc-test-automation,openbmc/openbmc-test-automation