Add IPMI_USERNAME default user name
Add IPMI_USERNAME default user name

Change-Id: Icc1495ac4b8b2ccd872c5317eef0dd9d466eb3ec
Signed-off-by: George Keishing <bef0a9ecac45fb57611777c8270153994e13fd2e@in.ibm.com>

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