[POWERPC] Rename get_property to of_get_property: partial drivers

This does drivers/machintosh and the hvc code.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/drivers/macintosh/rack-meter.c b/drivers/macintosh/rack-meter.c
index f83fad2..4177ff0 100644
--- a/drivers/macintosh/rack-meter.c
+++ b/drivers/macintosh/rack-meter.c
@@ -387,7 +387,7 @@
 	       if (strcmp(np->name, "lightshow") == 0)
 		       break;
 	       if ((strcmp(np->name, "sound") == 0) &&
-		   get_property(np, "virtual", NULL) != NULL)
+		   of_get_property(np, "virtual", NULL) != NULL)
 		       break;
 	}
 	if (np == NULL) {