Merge tag 'usb-serial-6.15-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel...

Johan writes:

USB-serial update for 6.15-rc1

Here's a single USB-serial cleanup for 6.15-rc1 that's been sitting in
linux-next for a few weeks without any reported issues.

* tag 'usb-serial-6.15-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial:
  USB: serial: mos7840: drop unused defines