Patch from Richard Purdie

Sharp SCOOP: Devices with multiple scoop interfaces are now
available so:
* add support for mutliple device support to the driver
* Update corgi, collie and poodle to share the scoop
  device structure so a device can be selected in drivers
* Update drivers to use the device structures

Signed-off-by: Richard Purdie
Signed-off-by: Russell King