Update kernel-firmware-chelsio to version 20250206 / rev 2 via SR 1272721
    
    https://build.opensuse.org/request/show/1272721
    by user tiwai + anag_factory
    - Change conflicts filesystem < 84 to conflicts filesystem without
      may-perform-usrmerge. Version 84 is specific to Tumbleweed; CODE
      16 uses Version 16; yet we need to ensure we get an up-to-date
      version of filesystem. Relying on the recently introduced provides
      instructing zypp about the usrmerge is perfect for this use case.