Added Sleep after configure mac address
Added Sleep after configure mac address

Change-Id: If67f801287d09bba32527b091e7bf9dda1429e8f
Signed-off-by: Anves Kumar rayankula <edc7e983fb0601fe4e68cbcf2252d0d5f713eb89@in.ibm.com>

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