serial: pl010: constify amba_id

amba_id are not supposed to change at runtime. All functions
working with const amba_id. So mark the non-const structs as const.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/tty/serial/amba-pl010.c

@@ -814,7 +814,7 @@ static int pl010_resume(struct device *dev)
 
 static SIMPLE_DEV_PM_OPS(pl010_dev_pm_ops, pl010_suspend, pl010_resume);
 
-static struct amba_id pl010_ids[] = {
+static const struct amba_id pl010_ids[] = {
 	{
 		.id	= 0x00041010,
 		.mask	= 0x000fffff,