2019-11-04: added wato for cisco_flash
2020-03-15: added support for CMK1.6x in invetory module
2021-07-31: rewritten for CMK 2.0
2024-04-07: modified for CMK 2.2.x (ThX bitwiz@forum.checkmk.com)
            moved the Flash inventory from 'hardware.components.flash' to 'hardware.flash'
            some code cleanup