dmaengine: pl330: 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: Vinod Koul <vinod.koul@intel.com>

drivers/dma/pl330.c

@@ -3023,7 +3023,7 @@ static int pl330_remove(struct amba_device *adev)
 	return 0;
 }
 
-static struct amba_id pl330_ids[] = {
+static const struct amba_id pl330_ids[] = {
 	{
 		.id	= 0x00041330,
 		.mask	= 0x000fffff,