PCI: Add pci_device_type to pdev's device struct

Need type filled in device structure so it can be used for visible
attribute control in sysfs for pci_dev.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index bacbcba..6f6cd14 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -157,6 +157,7 @@
 }
 extern struct device_attribute pci_dev_attrs[];
 extern struct device_attribute pcibus_dev_attrs[];
+extern struct device_type pci_dev_type;
 #ifdef CONFIG_HOTPLUG
 extern struct bus_attribute pci_bus_attrs[];
 #else