Update .clang-format to latest version from docs

Signed-off-by: Brandon Wyman <bjwyman@gmail.com>
Change-Id: Ie6e7f43e7554429704dca86b21320c90aed18791
diff --git a/power-supply/power_supply.cpp b/power-supply/power_supply.cpp
index 981435f..c10fdf7 100644
--- a/power-supply/power_supply.cpp
+++ b/power-supply/power_supply.cpp
@@ -24,12 +24,13 @@
 #include "types.hpp"
 #include "utility.hpp"
 
-#include <functional>
 #include <org/open_power/Witherspoon/Fault/error.hpp>
 #include <phosphor-logging/log.hpp>
 #include <xyz/openbmc_project/Common/Device/error.hpp>
 #include <xyz/openbmc_project/Software/Version/server.hpp>
 
+#include <functional>
+
 namespace phosphor
 {
 namespace power