Move old vkernel code out of vboot_firmware.

vboot_firmware/stub/load_firmware_stub.c

 /* Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  *
  * TEMPORARY stub for calling LoadFirmware() which looks like the old
  * VerifyFirmwareDriver_f() call.
  * (Firmware portion)
  */
 
 #include "load_firmware_fw.h"
+#include "utility.h"
 
-#include "firmware_image_fw.h"
-#include "utility.h"
+#define  BOOT_FIRMWARE_A_CONTINUE 1
+#define  BOOT_FIRMWARE_B_CONTINUE 2
+#define  BOOT_FIRMWARE_RECOVERY_CONTINUE 3
 
 typedef struct CallerInternal {
   uint8_t *firmwareA;
   uint64_t firmwareA_size;
   uint8_t *firmwareB;
   uint64_t firmwareB_size;
 } CallerInternal;
 
 int GetFirmwareBody(LoadFirmwareParams* params, uint64_t index) {
 
@@ skipping 69 matching lines @@
      * p.kernel_sign_key_size SO YOU CAN PASS THEM TO LoadKernel(). */
 
     return (0 == p.firmware_index ? BOOT_FIRMWARE_A_CONTINUE :
             BOOT_FIRMWARE_B_CONTINUE);
 
   } else {
     /* Error */
     return BOOT_FIRMWARE_RECOVERY_CONTINUE;
   }
 }