The analog output subdevice is the same for all boards supported
by this driver. Remove the boardinfo for it and just open-code
the values in the attach function.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Cc: Ian Abbott <abbotti@mev.co.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>