linux-user: Define ordinary usbfs ioctls.

Provide ioctl definitions for the generic thunk mechanism to
convert most usbfs calls.  Calculate arg size at runtime.

Signed-off-by: Cortland Tölva <cst@tolva.net>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20181008163521.17341-3-cst@tolva.net>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
4 files changed