Add VBDEBUG macro for debug output.

firmware/lib/rollback_index.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.
  *
  * Functions for querying, manipulating and locking rollback indices
  * stored in the TPM NVRAM.
  */
 
 #include "rollback_index.h"
 
@@ skipping 63 matching lines @@
   }
   return result;
 }
 
 /* Creates the NVRAM spaces, and sets their initial values as needed.
  */
 static uint32_t InitializeSpaces(void) {
   uint32_t zero = 0;
   uint32_t firmware_perm = TPM_NV_PER_GLOBALLOCK | TPM_NV_PER_PPWRITE;
 
-  debug("Initializing spaces\n");
+  VBDEBUG(("Initializing spaces\n"));
 
   RETURN_ON_FAILURE(TlclSetNvLocked());
 
   RETURN_ON_FAILURE(TlclDefineSpace(FIRMWARE_VERSIONS_NV_INDEX,
                                     firmware_perm, sizeof(uint32_t)));
   RETURN_ON_FAILURE(SafeWrite(FIRMWARE_VERSIONS_NV_INDEX,
                               (uint8_t*) &zero, sizeof(uint32_t)));
 
   RETURN_ON_FAILURE(InitializeKernelVersionsSpaces());
 
@@ skipping 299 matching lines @@
   return TPM_SUCCESS;
 }
 
 uint32_t RollbackKernelWrite(uint16_t key_version, uint16_t version) {
   return TPM_SUCCESS;
 }
 
 uint32_t RollbackKernelLock(void) {
   return TPM_SUCCESS;
 }