config: add config file for evb-rk3399

This patch add basic config option for evb-rk3399 board.

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Acked-by: Simon Glass <sjg@chromium.org>
diff --git a/configs/evb-rk3399_defconfig b/configs/evb-rk3399_defconfig
new file mode 100644
index 0000000..3f9b47e
--- /dev/null
+++ b/configs/evb-rk3399_defconfig
@@ -0,0 +1,33 @@
+CONFIG_ARM=y
+CONFIG_ARCH_ROCKCHIP=y
+CONFIG_ROCKCHIP_RK3399=y
+CONFIG_TARGET_EVB_RK3399=y
+CONFIG_DEFAULT_DEVICE_TREE="rk3399-evb"
+CONFIG_HUSH_PARSER=y
+CONFIG_CMD_BOOTZ=y
+# CONFIG_CMD_IMLS is not set
+CONFIG_CMD_MMC=y
+CONFIG_CMD_SF=y
+# CONFIG_CMD_SETEXPR is not set
+CONFIG_CMD_TIME=y
+CONFIG_CMD_GPT=y
+CONFIG_CMD_EXT2=y
+CONFIG_CMD_EXT4=y
+CONFIG_CMD_FAT=y
+CONFIG_CMD_FS_GENERIC=y
+CONFIG_REGMAP=y
+CONFIG_SYSCON=y
+CONFIG_CLK=y
+CONFIG_FIT=y
+CONFIG_SYSRESET=y
+CONFIG_DM_MMC=y
+CONFIG_ROCKCHIP_SDHCI=y
+CONFIG_PINCTRL=y
+CONFIG_RAM=y
+CONFIG_SYS_NS16550=y
+CONFIG_DEBUG_UART=y
+CONFIG_DEBUG_UART_BASE=0xFF1A0000
+CONFIG_DEBUG_UART_CLOCK=24000000
+CONFIG_DEBUG_UART_SHIFT=2
+CONFIG_USE_TINY_PRINTF=y
+CONFIG_ERRNO_STR=y