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/char/hw_random/n2-drv.c b/drivers/char/hw_random/n2-drv.c
index 5220f54..8859aea 100644
--- a/drivers/char/hw_random/n2-drv.c
+++ b/drivers/char/hw_random/n2-drv.c
@@ -736,7 +736,7 @@
 	return 0;
 }
 
-static struct of_device_id n2rng_match[] = {
+static const struct of_device_id n2rng_match[] = {
 	{
 		.name		= "random-number-generator",
 		.compatible	= "SUNW,n2-rng",