Update clang-format

refer: https://github.com/openbmc/docs/blob/master/style/cpp/.clang-format

Tested: built openpower-occ-control successfully.

Signed-off-by: George Liu <liuxiwei@inspur.com>
Change-Id: I136870023229ff906d471dd4d8debfd404812ff1
diff --git a/occ_status.hpp b/occ_status.hpp
index a1cf82e..dce73f8 100644
--- a/occ_status.hpp
+++ b/occ_status.hpp
@@ -6,12 +6,13 @@
 #include "occ_events.hpp"
 #include "utils.hpp"
 
-#include <functional>
 #include <org/open_power/Control/Host/server.hpp>
 #include <org/open_power/OCC/Status/server.hpp>
 #include <sdbusplus/bus.hpp>
 #include <sdbusplus/server/object.hpp>
 
+#include <functional>
+
 namespace open_power
 {
 namespace occ