ppc64: fix some compile warnings

arch/ppc64/kernel/pci_dn.c

@@ -196,8 +196,6 @@ pci_fixup_bus_sysdata_list(struct list_head *bus_list)
 {
 	struct list_head *ln;
 	struct pci_bus *bus;
-	struct pci_controller *phb;
-	int newnum;
 
 	for (ln=bus_list->next; ln != bus_list; ln=ln->next) {
 		bus = pci_bus_b(ln);

include/asm-ppc64/prom.h

@@ -194,5 +194,6 @@ extern void print_properties(struct device_node *node);
 extern int prom_n_addr_cells(struct device_node* np);
 extern int prom_n_size_cells(struct device_node* np);
 extern void prom_get_irq_senses(unsigned char *senses, int off, int max);
+extern void prom_add_property(struct device_node* np, struct property* prop);
 
 #endif /* _PPC64_PROM_H */