[POWERPC] get_property returns const

This just tidies up some of the remains.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/sound/aoa/codecs/snd-aoa-codec-tas.c b/sound/aoa/codecs/snd-aoa-codec-tas.c
index 2cd81fa..ed6bdb0 100644
--- a/sound/aoa/codecs/snd-aoa-codec-tas.c
+++ b/sound/aoa/codecs/snd-aoa-codec-tas.c
@@ -939,9 +939,9 @@
 
 	while ((dev = of_get_next_child(busnode, dev)) != NULL) {
 		if (device_is_compatible(dev, "tas3004")) {
-			u32 *addr;
+			const u32 *addr;
 			printk(KERN_DEBUG PFX "found tas3004\n");
-			addr = (u32 *) get_property(dev, "reg", NULL);
+			addr = get_property(dev, "reg", NULL);
 			if (!addr)
 				continue;
 			return tas_create(adapter, dev, ((*addr) >> 1) & 0x7f);
@@ -950,7 +950,8 @@
 		 * property that says 'tas3004', they just have a 'deq'
 		 * node without any such property... */
 		if (strcmp(dev->name, "deq") == 0) {
-			u32 *_addr, addr;
+			const u32 *_addr;
+			u32 addr;
 			printk(KERN_DEBUG PFX "found 'deq' node\n");
 			_addr = (u32 *) get_property(dev, "i2c-address", NULL);
 			if (!_addr)