Merge tag 'usb-serial-4.17-rc3' of https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial

 into usb-linus

Johan writes:

USB-serial fixes for v4.17-rc3

Here are a few device ids for -rc3, including a new "simple driver".

All have been in linux-next with no reported issues.

Signed-off-by: Johan Hovold <johan@kernel.org>