Input: ambakmi - 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: Dmitry Torokhov <dmitry.torokhov@gmail.com>
diff --git a/drivers/input/serio/ambakmi.c b/drivers/input/serio/ambakmi.c
index c6606cac..ff3875c 100644
--- a/drivers/input/serio/ambakmi.c
+++ b/drivers/input/serio/ambakmi.c
@@ -187,7 +187,7 @@ static int __maybe_unused amba_kmi_resume(struct device *dev)
 
 static SIMPLE_DEV_PM_OPS(amba_kmi_dev_pm_ops, NULL, amba_kmi_resume);
 
-static struct amba_id amba_kmi_idtable[] = {
+static const struct amba_id amba_kmi_idtable[] = {
 	{
 		.id	= 0x00041050,
 		.mask	= 0x000fffff,