rockchip: i2c: Add compatibles for Rockchip Cortex-A9 socs

The Cortex-A9 socs rk3066 and rk3188 share the IP but have their own
compatible values, so add them to make the i2c on these platforms accessible.
Signed-off-by: NHeiko Stuebner <heiko@sntech.de>
Acked-by: NSimon Glass <sjg@chromium.org>

drivers/i2c/rk_i2c.c

@@ -380,6 +380,8 @@ static const struct dm_i2c_ops rockchip_i2c_ops = {
 };
 
 static const struct udevice_id rockchip_i2c_ids[] = {
+	{ .compatible = "rockchip,rk3066-i2c" },
+	{ .compatible = "rockchip,rk3188-i2c" },
 	{ .compatible = "rockchip,rk3288-i2c" },
 	{ }
 };