x86: chromebook_link: Enable the Chrome OS EC

Enable the Chrome OS EC so that it can be used from U-Boot.

Signed-off-by: Simon Glass <sjg@chromium.org>

board/google/chromebook_link/link.c

@@ -5,10 +5,14 @@
  */
 
 #include <common.h>
+#include <cros_ec.h>
 #include <asm/gpio.h>
 
 int arch_early_init_r(void)
 {
+	if (cros_ec_board_init())
+		return -1;
+
 	return 0;
 }
 

include/configs/chromebook_link.h

@@ -62,6 +62,11 @@
 #define VIDEO_IO_OFFSET				0
 #define CONFIG_X86EMU_RAW_IO
 
+#define CONFIG_CROS_EC
+#define CONFIG_CROS_EC_LPC
+#define CONFIG_CMD_CROS_EC
+#define CONFIG_ARCH_EARLY_INIT_R
+
 #define CONFIG_STD_DEVICES_SETTINGS     "stdin=usbkbd,vga,serial\0" \
 					"stdout=vga,serial\0" \
 					"stderr=vga,serial\0"