edac: i82875p: Use pci_dev_assign_resources()

Use the new pci_dev_assign_resources() to assign resources to the
newly added device rather than trying to assign the entire bus

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
diff --git a/drivers/edac/i82875p_edac.c b/drivers/edac/i82875p_edac.c
index ceac925..7eb2e9d 100644
--- a/drivers/edac/i82875p_edac.c
+++ b/drivers/edac/i82875p_edac.c
@@ -291,7 +291,7 @@
 		if (dev == NULL)
 			return 1;
 
-		pci_bus_assign_resources(dev->bus);
+		pci_dev_assign_resources(dev);
 		pci_bus_add_device(dev);
 	}