Update PCR state with the state of the firmware keyblock flags too.

firmware/include/tlcl.h

 /* 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.
  */
 
 /* TPM Lightweight Command Library.
  *
  * A low-level library for interfacing to TPM hardware or an emulator.
  */
 
@@ skipping 109 matching lines @@
 uint32_t TlclGetFlags(uint8_t* disable, uint8_t* deactivated,
                       uint8_t* nvlocked);
 
 /* Sets the bGlobalLock flag, which only a reboot can clear.  The TPM error
  * code is returned.
  */
 uint32_t TlclSetGlobalLock(void);
 
 /* Performs a TPM_Extend.
  */
-uint32_t TlclExtend(int pcr_num, uint8_t* in_digest, uint8_t* out_digest);
+uint32_t TlclExtend(int pcr_num, const uint8_t* in_digest, uint8_t* out_digest);
 
 /* Gets the permission bits for the NVRAM space with |index|.
  */
 uint32_t TlclGetPermissions(uint32_t index, uint32_t* permissions);
 
 /* Gets the entire set of permanent flags.
  */
 uint32_t TlclGetPermanentFlags(TPM_PERMANENT_FLAGS* pflags);
 
 /* Gets the entire set of volatile (ST_CLEAR) flags.
  */
 uint32_t TlclGetSTClearFlags(TPM_STCLEAR_FLAGS* pflags);
 
 #endif  /* TPM_LITE_TLCL_H_ */