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/systemd_target_monitor.cpp b/systemd_target_monitor.cpp
index c269f32..d5e7a38 100644
--- a/systemd_target_monitor.cpp
+++ b/systemd_target_monitor.cpp
@@ -1,10 +1,12 @@
+#include "systemd_target_parser.hpp"
+#include "systemd_target_signal.hpp"
+
 #include <CLI/CLI.hpp>
-#include <iostream>
 #include <phosphor-logging/log.hpp>
 #include <sdbusplus/bus.hpp>
 #include <sdeventplus/event.hpp>
-#include "systemd_target_parser.hpp"
-#include "systemd_target_signal.hpp"
+
+#include <iostream>
 #include <vector>
 
 using phosphor::logging::level;