An ioread32 statement reads the wrong address.  Fix it.
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
Signed-off-by: NJay Cliburn <jacliburn@bellsouth.net>
Signed-off-by: NChris Snook <csnook@redhat.com>
Signed-off-by: NJeff Garzik <jeff@garzik.org>