build: add check for pciutils: libpci

Add a check for the pciutils package that the tool relies on for
compilation.

Change-Id: Ie12ede94bc3664a3cf1194d820f9c6e078f97866
Signed-off-by: Patrick Venture <venture@google.com>
diff --git a/tools/Makefile.am b/tools/Makefile.am
index d8a593d..d86d365 100644
--- a/tools/Makefile.am
+++ b/tools/Makefile.am
@@ -5,8 +5,8 @@
 burn_my_bmc_CXXFLAGS = -I$(top_srcdir) $(CODE_COVERAGE_CXXFLAGS)
 
 noinst_LTLIBRARIES = libupdater.la
-libupdater_la_LDFLAGS = -static $(CODE_COVERAGE_LIBS) $(IPMIBLOB_LIBS)
-libupdater_la_CXXFLAGS = -I$(top_srcdir) $(CODE_COVERAGE_CXXFLAGS) $(IPMIBLOB_CFLAGS)
+libupdater_la_LDFLAGS = -static $(CODE_COVERAGE_LIBS) $(IPMIBLOB_LIBS) $(PCILIB_LIBS)
+libupdater_la_CXXFLAGS = -I$(top_srcdir) $(CODE_COVERAGE_CXXFLAGS) $(IPMIBLOB_CFLAGS) $(PCILIB_CFLAGS)
 libupdater_la_SOURCES = \
 	updater.cpp \
 	bt.cpp \