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/arch/sparc/include/asm/parport.h b/arch/sparc/include/asm/parport.h
index 70dce02..dff3f02 100644
--- a/arch/sparc/include/asm/parport.h
+++ b/arch/sparc/include/asm/parport.h
@@ -215,7 +215,7 @@
 	return 0;
 }
 
-static struct of_device_id ecpp_match[] = {
+static const struct of_device_id ecpp_match[] = {
 	{
 		.name = "ecpp",
 	},