rockchip: add basic support for fennec-rk3288 board

Fennec is a RK3288-based development board with 2 USB ports, HDMI,
micro-SD card, audio and WiFi and Gigabit Ethernet. It also includes
on-board 8GB eMMC and 2GB of SDRAM. Expansion connectors provides access
to display pins, I2C, SPI, UART and GPIOs.

Signed-off-by: Ziyuan Xu <xzy.xu@rock-chips.com>
Acked-by: Simon Glass <sjg@chromium.org>

include/configs/fennec_rk3288.h

@@ -0,0 +1,26 @@
+/*
+ * (C) Copyright 2016 Rockchip Electronics Co., Ltd
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+#define ROCKCHIP_DEVICE_SETTINGS
+#include <configs/rk3288_common.h>
+
+#define CONFIG_SPL_MMC_SUPPORT
+
+#define CONFIG_ENV_IS_IN_MMC
+#define CONFIG_SYS_MMC_ENV_DEV 1
+/* SPL @ 32k for ~36k
+ * ENV @ 96k
+ * u-boot @ 128K
+ */
+#define CONFIG_ENV_OFFSET (96 * 1024)
+
+#define CONFIG_SYS_WHITE_ON_BLACK
+#define CONFIG_CONSOLE_SCROLL_LINES		10
+
+#endif