Added ecmquery showexist command
Added ecmquery showexist command

open-power/eCMD,open-power/eCMD,mklight/eCMD,open-power/eCMD,open-power/eCMD,mklight/eCMD,open-power/eCMD,mklight/eCMD,mklight/eCMD,mklight/eCMD