Update CLI documentation and shorten sub options
Update CLI documentation and shorten sub options

Change-Id: I615d2697cd86d964c3e19c3641a154700bc5ec0e
Signed-off-by: George Keishing <bef0a9ecac45fb57611777c8270153994e13fd2e@in.ibm.com>

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