USB: cp210x: add support for Seluxit USB dongle

commit dee80ad12d2b1b304286a707fde7ab05d1fc7bab upstream.

Added the Seluxit ApS USB Serial Dongle to cp210x driver.

Signed-off-by: Andreas Bomholtz <andreas@seluxit.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>