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_dbus.cpp b/occ_dbus.cpp
index 2ed2f3b..dde2e7d 100644
--- a/occ_dbus.cpp
+++ b/occ_dbus.cpp
@@ -2,9 +2,10 @@
 
 #include "utils.hpp"
 
-#include <iostream>
 #include <phosphor-logging/log.hpp>
 
+#include <iostream>
+
 namespace open_power
 {
 namespace occ