board: sunxi: Add R40 sata compatible

Add sata compatible for R40.

Cc: Pablo Sebastián Greco <pgreco@centosproject.org>
Signed-off-by: NJagan Teki <jagan@amarulasolutions.com>

board/sunxi/ahci.c

@@ -121,6 +121,7 @@ static int sunxi_sata_bind(struct udevice *dev)
 
 static const struct udevice_id sunxi_ahci_ids[] = {
 	{ .compatible = "allwinner,sun4i-a10-ahci" },
+	{ .compatible = "allwinner,sun8i-r40-ahci" },
 	{ }
 };