Merge tag 'usb-serial-3.20-rc1' of...

Merge tag 'usb-serial-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-next

Johan writes:

USB-serial updates for v3.20-rc1

Removal of dead code in mos7840 and a clean-up of the option blacklist
handling.

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