pci: add support for board_pci_fixup_dev function

Some board-level drivers may wish to have per-device fixup functions
for PCI devices.

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
diff --git a/include/pci.h b/include/pci.h
index 461f17c..2ff7365 100644
--- a/include/pci.h
+++ b/include/pci.h
@@ -659,6 +659,13 @@
 extern int pci_find_cap(struct pci_controller *hose, pci_dev_t dev, int pos,
 			int cap);
 
+#ifdef CONFIG_PCI_FIXUP_DEV
+extern void board_pci_fixup_dev(struct pci_controller *hose, pci_dev_t dev,
+				unsigned short vendor,
+				unsigned short device,
+				unsigned short class);
+#endif
+
 const char * pci_class_str(u8 class);
 int pci_last_busno(void);