Add MODULE_DEVICE_TABLE() so ioatdma module is autoloaded

The ioatdma module is missing aliases for the PCI devices it supports,
so it is not autoloaded on boot.  Add a MODULE_DEVICE_TABLE() to get
these aliases.

Signed-off-by: Roland Dreier <rolandd@cisco.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>