clang-format: Pull the format rules from the openbmc/docs repo

This makes it consistent with other openbmc projects for c++ formatting.

Tested:
    Run through the unit test suite.

Change-Id: I92030ce5b42de01360393687fb438faf26f36ac8
Signed-off-by: William A. Kennington III <wak@google.com>
diff --git a/vpnor/pnor_partition.hpp b/vpnor/pnor_partition.hpp
index e98890d..95d4309 100644
--- a/vpnor/pnor_partition.hpp
+++ b/vpnor/pnor_partition.hpp
@@ -6,12 +6,15 @@
 #include "mboxd.h"
 };
 
-#include "mboxd_pnor_partition_table.h"
 #include "pnor_partition_table.hpp"
+
 #include <fcntl.h>
-#include <string>
 #include <unistd.h>
+
 #include <experimental/filesystem>
+#include <string>
+
+#include "mboxd_pnor_partition_table.h"
 
 namespace openpower
 {