of: use __be32 types for big-endian device tree data

Use the sparse annotations so we can keep track of endianness.

Signed-off-by: Jeremy Kerr <[e-mail]>
Signed-off-by: Grant Likely <[e-mail]>

drivers/of/address.c

···
 const u32 *of_get_pci_address(struct device_node *dev, int bar_no, u64 *size,
 			unsigned int *flags)
 {
-	const u32 *prop;
+	const __be32 *prop;
 	unsigned int psize;
 	struct device_node *parent;
 	struct of_bus *bus;

drivers/of/base.c

···
 
 int of_n_addr_cells(struct device_node *np)
 {
-	const int *ip;
+	const __be32 *ip;
 
 	do {
 		if (np->parent)
···
 
 int of_n_size_cells(struct device_node *np)
 {
-	const int *ip;
+	const __be32 *ip;
 
 	do {
 		if (np->parent)