Merge branch 'PR/benno-losetup' of https://github.com/karelzak/util-linux-work

* 'PR/benno-losetup' of https://github.com/karelzak/util-linux-work:
  losetup: (man) put the synopses in a better order, the name-giver first
  losetup: remove the --verbose flag, as it doesn't actually do anything
  losetup: sort 'O' correctly for the mutual-exclusive check to work