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/drivers/sbus/char/display7seg.c b/drivers/sbus/char/display7seg.c
index 2f16d78..2550af4 100644
--- a/drivers/sbus/char/display7seg.c
+++ b/drivers/sbus/char/display7seg.c
@@ -256,7 +256,7 @@
 	return 0;
 }
 
-static struct of_device_id d7s_match[] = {
+static const struct of_device_id d7s_match[] = {
 	{
 		.name = "display7seg",
 	},