EISA: Mark vendor ID resource as I/O port space

Previously we marked this as merely IORESOURCE_BUSY without indicating
the type.  Setting the type makes %pR on the resource work better.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

drivers/eisa/eisa-bus.c

@@ -285,7 +285,7 @@ static int __init eisa_request_resources(struct eisa_root_device *root,
 			edev->res[i].start = SLOT_ADDRESS(root, slot)
 					     + EISA_VENDOR_ID_OFFSET;
 			edev->res[i].end   = edev->res[i].start + 3;
-			edev->res[i].flags = IORESOURCE_BUSY;
+			edev->res[i].flags = IORESOURCE_IO | IORESOURCE_BUSY;
 		}
 
 		if (request_resource(root->res, &edev->res[i]))