[POWERPC] Rename get_property to of_get_property: drivers

These are all the remaining instances of get_property.  Simple rename of
get_property to of_get_property.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/drivers/net/mace.c b/drivers/net/mace.c
index b3bd623..52b9332 100644
--- a/drivers/net/mace.c
+++ b/drivers/net/mace.c
@@ -110,9 +110,9 @@
 		return -ENODEV;
 	}
 
-	addr = get_property(mace, "mac-address", NULL);
+	addr = of_get_property(mace, "mac-address", NULL);
 	if (addr == NULL) {
-		addr = get_property(mace, "local-mac-address", NULL);
+		addr = of_get_property(mace, "local-mac-address", NULL);
 		if (addr == NULL) {
 			printk(KERN_ERR "Can't get mac-address for MACE %s\n",
 			       mace->full_name);