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/arch/arm/mach-rockchip/rk3288/Kconfig b/arch/arm/mach-rockchip/rk3288/Kconfig
index 204c1c7..223ae41 100644
--- a/arch/arm/mach-rockchip/rk3288/Kconfig
+++ b/arch/arm/mach-rockchip/rk3288/Kconfig
@@ -58,6 +58,16 @@
 	  Typically a USB hub or wireless keyboard/touchpad is used to get
 	  keyboard and mouse access.
 
+config TARGET_CHROMEBOOK_MINNIE
+	bool "Google/Rockchip Veyron-Minnie Chromebook"
+	help
+	  Jerry is a RK3288-based convertible clamshell device with 2 USB 3.0
+	  ports, micro HDMI, a 10.1-inch 1280x800 EDP display, micro-SD card,
+	  HD camera, touchpad, WiFi and Bluetooth. It includes a Chrome OS
+	  EC (Cortex-M3) to provide access to the keyboard and battery
+	  functions. It includes 2 or 4GB of SDRAM and 16 or 32GB of
+	  internal MMC. The product name is ASUS Chromebook Flip.
+
 config TARGET_ROCK2
 	bool "Radxa Rock 2"
 	help