USB: HID: add blacklist AIRcable USB, little beautification

This patch add AIRcable USBto USB-HID blacklist, makes some little
changes things in the Kconfig to make AIRcable USB look as all the rest
of drivers. And it removes the readme part that was on
Documentation/usb/usb-serial.txt because it is not needed anymore.


Signed-off-by: Naranjo Manuel Francisco <naranjo.manuel@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>