Add structs for TPM NV simplification

firmware/lib/tpm_lite/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 50 matching lines @@
 uint32_t TlclContinueSelfTest(void);
 
 /* Defines a space with permission [perm].  [index] is the index for the space,
  * [size] the usable data size.  The TPM error code is returned.
  */
 uint32_t TlclDefineSpace(uint32_t index, uint32_t perm, uint32_t size);
 
 /* Writes [length] bytes of [data] to space at [index].  The TPM error code is
  * returned.
  */
-uint32_t TlclWrite(uint32_t index, uint8_t *data, uint32_t length);
+uint32_t TlclWrite(uint32_t index, const void* data, uint32_t length);
 
 /* Reads [length] bytes from space at [index] into [data].  The TPM error code
  * is returned.
  */
-uint32_t TlclRead(uint32_t index, uint8_t *data, uint32_t length);
+uint32_t TlclRead(uint32_t index, void* data, uint32_t length);
 
 /* Write-locks space at [index].  The TPM error code is returned.
  */
 uint32_t TlclWriteLock(uint32_t index);
 
 /* Read-locks space at [index].  The TPM error code is returned.
  */
 uint32_t TlclReadLock(uint32_t index);
 
 /* Asserts physical presence in software.  The TPM error code is returned.
@@ skipping 41 matching lines @@
 
 /* Performs a TPM_Extend.
  */
 uint32_t TlclExtend(int pcr_num, 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);
 
 #endif  /* TPM_LITE_TLCL_H_ */