rockchip: serial driver support rk3036

Signed-off-by: Lin Huang <hl@rock-chips.com>
Acked-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/serial/ns16550.c b/drivers/serial/ns16550.c
index d5bcbc3..166deab 100644
--- a/drivers/serial/ns16550.c
+++ b/drivers/serial/ns16550.c
@@ -428,6 +428,7 @@
 	{ .compatible = "ns16550" },
 	{ .compatible = "ns16550a" },
 	{ .compatible = "nvidia,tegra20-uart" },
+	{ .compatible = "rockchip,rk3036-uart" },
 	{ .compatible = "snps,dw-apb-uart" },
 	{ .compatible = "ti,omap2-uart" },
 	{ .compatible = "ti,omap3-uart" },