rockchip: Add support for veyron-minnie (ASUS Chromebook Flip)

This adds support for the Asus Chromebook Flip, an RK3288-based clamshell
device which can flip into 'tablet' mode. The device tree file comes from
Linux v4.8. The SDRAM parameters are for 4GB Samsung LPDDR3.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/configs/chromebook_minnie_defconfig b/configs/chromebook_minnie_defconfig
new file mode 100644
index 0000000..6aced14
--- /dev/null
+++ b/configs/chromebook_minnie_defconfig
@@ -0,0 +1,82 @@
+CONFIG_ARM=y
+CONFIG_ARCH_ROCKCHIP=y
+CONFIG_SYS_MALLOC_F_LEN=0x2000
+# CONFIG_SPL_MMC_SUPPORT is not set
+CONFIG_ROCKCHIP_RK3288=y
+CONFIG_TARGET_CHROMEBOOK_MINNIE=y
+CONFIG_SPL_SPI_FLASH_SUPPORT=y
+CONFIG_SPL_SPI_SUPPORT=y
+CONFIG_SPL_STACK_R_ADDR=0x80000
+CONFIG_DEFAULT_DEVICE_TREE="rk3288-veyron-minnie"
+CONFIG_SILENT_CONSOLE=y
+# CONFIG_DISPLAY_CPUINFO is not set
+CONFIG_SPL_STACK_R=y
+CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN=0x2000
+CONFIG_HUSH_PARSER=y
+CONFIG_CMD_BOOTZ=y
+# CONFIG_CMD_IMLS is not set
+CONFIG_CMD_MMC=y
+CONFIG_CMD_SF=y
+CONFIG_CMD_SPI=y
+CONFIG_CMD_I2C=y
+CONFIG_CMD_GPIO=y
+# CONFIG_CMD_SETEXPR is not set
+CONFIG_CMD_DHCP=y
+CONFIG_CMD_MII=y
+CONFIG_CMD_PING=y
+CONFIG_CMD_CACHE=y
+CONFIG_CMD_TIME=y
+CONFIG_CMD_PMIC=y
+CONFIG_CMD_REGULATOR=y
+CONFIG_CMD_EXT2=y
+CONFIG_CMD_EXT4=y
+CONFIG_CMD_FAT=y
+CONFIG_CMD_FS_GENERIC=y
+CONFIG_SPL_OF_CONTROL=y
+CONFIG_OF_SPL_REMOVE_PROPS="pinctrl-0 pinctrl-names clock-names interrupt-parent assigned-clocks assigned-clock-rates assigned-clock-parents"
+CONFIG_REGMAP=y
+CONFIG_SPL_REGMAP=y
+CONFIG_SYSCON=y
+CONFIG_SPL_SYSCON=y
+# CONFIG_SPL_SIMPLE_BUS is not set
+CONFIG_CLK=y
+CONFIG_SPL_CLK=y
+CONFIG_ROCKCHIP_GPIO=y
+CONFIG_I2C_CROS_EC_TUNNEL=y
+CONFIG_SYS_I2C_ROCKCHIP=y
+CONFIG_I2C_MUX=y
+CONFIG_DM_KEYBOARD=y
+CONFIG_CROS_EC_KEYB=y
+CONFIG_CROS_EC=y
+CONFIG_CROS_EC_SPI=y
+CONFIG_PWRSEQ=y
+CONFIG_ROCKCHIP_DWMMC=y
+CONFIG_PINCTRL=y
+CONFIG_SPL_PINCTRL=y
+# CONFIG_SPL_PINCTRL_FULL is not set
+CONFIG_ROCKCHIP_RK3288_PINCTRL=y
+CONFIG_DM_PMIC=y
+# CONFIG_SPL_PMIC_CHILDREN is not set
+CONFIG_PMIC_RK808=y
+CONFIG_DM_REGULATOR_FIXED=y
+CONFIG_REGULATOR_RK808=y
+CONFIG_PWM_ROCKCHIP=y
+CONFIG_RAM=y
+CONFIG_SPL_RAM=y
+CONFIG_DEBUG_UART=y
+CONFIG_DEBUG_UART_BASE=0xff690000
+CONFIG_DEBUG_UART_CLOCK=24000000
+CONFIG_DEBUG_UART_SHIFT=2
+CONFIG_SYS_NS16550=y
+CONFIG_ROCKCHIP_SERIAL=y
+CONFIG_ROCKCHIP_SPI=y
+CONFIG_SYSRESET=y
+CONFIG_DM_VIDEO=y
+CONFIG_DISPLAY=y
+CONFIG_VIDEO_ROCKCHIP=y
+CONFIG_CONSOLE_SCROLL_LINES=10
+CONFIG_USE_TINY_PRINTF=y
+CONFIG_CMD_DHRYSTONE=y
+CONFIG_ERRNO_STR=y
+CONFIG_SPL_OF_PLATDATA=y
+# CONFIG_SPL_OF_LIBFDT is not set