This driver requires io memory to operate, so don't even consider it
for NO_IOMEM architectures.
Reported-by: NRichard Weinberger <richard@nod.at>
Signed-off-by: NAlexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>