Make sure that our version of certain utility function implementations gets used in the firmware.

firmware/Makefile

 # 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.
 
 FWTOP := $(shell pwd)
 LIBDIR = $(FWTOP)/lib
 STUBDIR = $(FWTOP)/stub
 TESTDIR = $(FWTOP)/linktest
 BUILD_ROOT := ${BUILD}/$(shell basename ${FWTOP})
 LIBS = $(FWLIB)  # Firmware library must be self-contained
@@ skipping 17 matching lines @@
         ./lib/cgptlib/crc32.c \
         ./lib/cryptolib/padding.c \
         ./lib/cryptolib/rsa.c \
         ./lib/cryptolib/rsa_utility.c \
         ./lib/cryptolib/sha1.c \
         ./lib/cryptolib/sha2.c \
         ./lib/cryptolib/sha_utility.c \
         ./lib/rollback_index.c \
         ./lib/stateful_util.c \
         ./lib/tpm_lite/tlcl.c \
+        ./lib/utility.c \
         ./lib/vboot_common.c \
         ./lib/vboot_firmware.c \
         ./lib/vboot_kernel.c
 
 STUB_SRCS = \
         ./stub/boot_device_stub.c \
         ./stub/load_firmware_stub.c \
         ./stub/tpm_lite_stub.c \
         ./stub/utility_stub.c
 
@@ skipping 12 matching lines @@
                 ${BUILD_ROOT}/version.tmp && \
         (cmp -s ${BUILD_ROOT}/version.tmp version.c || \
                 ( echo "** Updating version.c **" &&  \
                   cp ${BUILD_ROOT}/version.tmp version.c))
 
 include ../common.mk
 
 $(FWLIB) : $(ALL_OBJS)
         rm -f $@
         ar qc $@ $^