Fixed missing parameter when using ipmi user summary
Fixed missing parameter when using ipmi user summary

When execute inband command ipmitool user summary
it will return 'IPMI command failed: Unknown (0x82)'
Because it missing a parameter <channel number>
User Commands:
               summary      [<channel number>]

Signed-off-by: Tony Lee <39789b450c786ba33eb2c19b3da697ab6ba83d1e@quantatw.com>
Change-Id: I3b37995eb6150e870495ae16de9271cc8bd0341b

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