staging: comedi: ni_6527: iounmap resource when detached

PCI bar 1 is ioremap'ed during the (*auto_attach). This resource
needs to be iounmap'ed when the driver is (*detach)ed.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
1 file changed