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/configure.ac b/configure.ac
index ff3ba54..51cc165 100644
--- a/configure.ac
+++ b/configure.ac
@@ -49,6 +49,12 @@
         [Could not find ipmiblob...openbmc/ipmi-blob-tool package required])
     ]
 )
+PKG_CHECK_MODULES(
+    [PCILIB],
+    [libpci],
+    [],
+    [AC_MSG_ERROR([Could not find libpci... pciutils package required])]
+)
 AC_CHECK_HEADER(
     [blobs-ipmid],
     [AC_MSG_ERROR(["phosphor-ipmi-blobs required and not found."])]