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/video/p9100.c b/drivers/video/p9100.c
index 9e90345..7000f2c 100644
--- a/drivers/video/p9100.c
+++ b/drivers/video/p9100.c
@@ -349,7 +349,7 @@
 	return 0;
 }
 
-static struct of_device_id p9100_match[] = {
+static const struct of_device_id p9100_match[] = {
 	{
 		.name = "p9100",
 	},