[SPARC64]: Fix PCI rework to adhere to of_get_property() const return.

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc64/kernel/pci_schizo.c b/arch/sparc64/kernel/pci_schizo.c
index 322cdbf..47a5aa9 100644
--- a/arch/sparc64/kernel/pci_schizo.c
+++ b/arch/sparc64/kernel/pci_schizo.c
@@ -1490,11 +1490,11 @@
 			    struct device_node *dp, u32 portid,
 			    int chip_type)
 {
-	struct linux_prom64_registers *regs;
-	unsigned int *busrange;
+	const struct linux_prom64_registers *regs;
+	const unsigned int *busrange;
 	struct pci_pbm_info *pbm;
 	const char *chipset_name;
-	u32 *ino_bitmap;
+	const u32 *ino_bitmap;
 	int is_pbm_a;
 
 	switch (chip_type) {