Rearrange vboot_reference directories to isolate external components.

src/platform/vboot_reference/vboot_firmware/lib/tlcl.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.
  *
  * Stub implementations of TPM Lite Library.
  */
 
 #include "tss_constants.h"
 
 void TlclLibinit(void) { return; }
 void TlclStartup(void) { return; }
 void TlclSelftestfull(void) { return; }
 void TlclDefineSpace(uint32_t index, uint32_t perm, uint32_t size) { return; }
 uint32_t TlclWrite(uint32_t index, uint8_t *data, uint32_t length) {
   return TPM_SUCCESS;
 }
 uint32_t TlclRead(uint32_t index, uint8_t *data, uint32_t length) {
   return TPM_SUCCESS;
 }
 void TlclWriteLock(uint32_t index) { return; }
 void TlclReadLock(uint32_t index) { return; }
 void TlclAssertPhysicalPresence(void) { return; }
 void TlclSetNvLocked(void) { return; }
 int TlclIsOwned(void) { return 0; }
 void TlclForceClear(void) { return; }
 void TlclPhysicalEnable(void) { return; }
 int TlclPhysicalSetDeactivated(uint8_t flag) { return TPM_SUCCESS; }
 int TlclGetFlags(uint8_t* disable, uint8_t* deactivated) { return TPM_SUCCESS; }