rockchip: Add basic support for evb-rv1108 board

Add basic support for rv1108 evb, whith this patch we
can boot into u-boot console.

Signed-off-by: Andy Yan <andy.yan@rock-chips.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/arm/dts/rv1108-evb.dts b/arch/arm/dts/rv1108-evb.dts
new file mode 100644
index 0000000..0128dd8
--- /dev/null
+++ b/arch/arm/dts/rv1108-evb.dts
@@ -0,0 +1,54 @@
+/*
+ * (C) Copyright 2016 Rockchip Electronics Co., Ltd
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+/dts-v1/;
+
+#include "rv1108.dtsi"
+
+/ {
+	model = "Rockchip RV1108 Evaluation board";
+	compatible = "rockchip,rv1108-evb", "rockchip,rv1108";
+
+	memory@60000000 {
+		device_type = "memory";
+		reg = <0x60000000 0x08000000>;
+	};
+
+	chosen {
+		stdout-path = "serial2:1500000n8";
+	};
+};
+
+&gmac {
+	status = "okay";
+	clock_in_out = <0>;
+	snps,reset-active-low;
+	snps,reset-delays-us = <0 10000 1000000>;
+	snps,reset-gpio = <&gpio1 RK_PC1 GPIO_ACTIVE_LOW>;
+};
+
+&sfc {
+	status = "okay";
+	flash@0 {
+		compatible = "gd25q256","spi-flash";
+		reg = <0>;
+		spi-tx-bus-width = <1>;
+		spi-rx-bus-width = <1>;
+		spi-max-frequency = <96000000>;
+	};
+};
+
+&uart0 {
+	status = "okay";
+};
+
+&uart1 {
+	status = "okay";
+};
+
+&uart2 {
+	status = "okay";
+};