clang-format: update to latest from docs repo

This is from openbmc/docs/style/cpp/.clang-format

Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
Change-Id: I5b80bb568451706afb6d268b41e1a5357a2ca6db
diff --git a/chassis_state_manager.hpp b/chassis_state_manager.hpp
index d1943dc..601e2a6 100644
--- a/chassis_state_manager.hpp
+++ b/chassis_state_manager.hpp
@@ -1,16 +1,19 @@
 #pragma once
 
-#include <chrono>
-#include <functional>
-#include <experimental/filesystem>
+#include "config.h"
+
+#include "xyz/openbmc_project/State/Chassis/server.hpp"
+#include "xyz/openbmc_project/State/PowerOnHours/server.hpp"
+
 #include <cereal/cereal.hpp>
 #include <sdbusplus/bus.hpp>
 #include <sdeventplus/clock.hpp>
 #include <sdeventplus/event.hpp>
 #include <sdeventplus/utility/timer.hpp>
-#include "xyz/openbmc_project/State/Chassis/server.hpp"
-#include "xyz/openbmc_project/State/PowerOnHours/server.hpp"
-#include "config.h"
+
+#include <chrono>
+#include <experimental/filesystem>
+#include <functional>
 
 namespace phosphor
 {