Wrap CONFIG_MAINBOARD_PCI_SUBSYSTEM_{VENDOR,DEVICE}_ID in weak functions

This is so that boards can determine them on runtime based on hardware
properties, if so desired.


Signed-off-by: Patrick Georgi <patrick.georgi@secunet.com>
Acked-by: Joseph Kellermann <Joseph.Kellermann@heitec.de>


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6329 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
diff --git a/src/include/device/pci.h b/src/include/device/pci.h
index 6af723d..d4cfb85 100644
--- a/src/include/device/pci.h
+++ b/src/include/device/pci.h
@@ -103,4 +103,7 @@
 	return bops;
 }
 
+unsigned mainboard_pci_subsystem_vendor_id(struct device *dev);
+unsigned mainboard_pci_subsystem_device_id(struct device *dev);
+
 #endif /* PCI_H */