sparc: Annotate of_device_id arrays with const or __initdata.

As suggested by Stephen Rothwell.

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/sound/sparc/cs4231.c b/sound/sparc/cs4231.c
index cdbfae9..727438d 100644
--- a/sound/sparc/cs4231.c
+++ b/sound/sparc/cs4231.c
@@ -2094,7 +2094,7 @@
 	return 0;
 }
 
-static struct of_device_id cs4231_match[] = {
+static const struct of_device_id cs4231_match[] = {
 	{
 		.name = "SUNW,CS4231",
 	},