staging: comedi: pcmmio: there is only one asic
staging: comedi: pcmmio: there is only one asic

The board supported by this driver only has one WinSystems WS16C48 asic
on it that handles the digital i/o.

Remove the 'asics' struct array in the private data and add members for
the single 'asic_iobase' and the spinlock used by the asic.

Signed-off-by: H Hartley Sweeten <382ff55d8e07d1082d179e669636cd1552da4f36@visionengravers.com>
Reviewed-by: Ian Abbott <9e6ba6483b6a3e14d61f7c987e72ecb5b46122d6@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <4645f7897fd33786a2ee1264d590b3c400559d85@linuxfoundation.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs