rockchip: jerry: Enable the Chrome OS EC

Turn on the EC and enable the keyboard.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/include/configs/chromebook_jerry.h b/include/configs/chromebook_jerry.h
index 78c06af..6e32f2c 100644
--- a/include/configs/chromebook_jerry.h
+++ b/include/configs/chromebook_jerry.h
@@ -7,6 +7,11 @@
 #ifndef __CONFIG_H
 #define __CONFIG_H
 
+#define ROCKCHIP_DEVICE_SETTINGS \
+		"stdin=serial,cros-ec-keyb\0" \
+		"stdout=serial\0" \
+		"stderr=serial\0"
+
 #include <configs/rk3288_common.h>
 
 #define CONFIG_ENV_IS_NOWHERE
@@ -17,4 +22,6 @@
 
 #undef CONFIG_SPL_GPIO_SUPPORT
 
+#define CONFIG_KEYBOARD
+
 #endif