Merge tag 'usb-serial-5.1-rc1' of https://git.kernel.org/pub/scm/linux/kernel/git...

Merge tag 'usb-serial-5.1-rc1' of https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-next

Johan writes:

USB-serial updates for 5.1-rc1

Here are the USB-serial updates for 5.1-rc1, including:

 - support for the last three GPIOs on cp2102n devices
 - gpio support for cp2104
 - support for using cp210x gpios with autosuspend
 - proper error handling for unsupported cp2105 line speeds

Included is also a new modem device id.

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

Signed-off-by: Johan Hovold <johan@kernel.org>
* tag 'usb-serial-5.1-rc1' of https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial:
  USB: serial: option: add Telit ME910 ECM composition
  USB: serial: cp210x: fix GPIO in autosuspend
  USB: serial: cp210x: add minimum baud rate for CP2105 SCI
  USB: serial: cp210x: add GPIO support for CP2104
  USB: serial: cp210x: support all gpios on CP2102N QFN28 package