vfio: platform: 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 <[e-mail]>
Signed-off-by: Alex Williamson <[e-mail]>

drivers/vfio/platform/vfio_amba.c

···
 	return -EINVAL;
 }
 
-static struct amba_id pl330_ids[] = {
+static const struct amba_id pl330_ids[] = {
 	{ 0, 0 },
 };