[cli] fix cli dataset README (#6619)
[cli] fix cli dataset README (#6619)


abtink/openthread,jwhui/openthread,jwhui/openthread,srickardti/openthread,openthread/openthread,openthread/openthread,openthread/openthread,jwhui/openthread,jwhui/openthread,abtink/openthread,srickardti/openthread,abtink/openthread,abtink/openthread,srickardti/openthread,srickardti/openthread,openthread/openthread