clang-format: update to latest from docs repo

The openbmc/docs/style/cpp/.clang-format has been updated to support
clang-format10, take this opportunity to update it in this repo.

Change-Id: I9e6b9853bf4cd7399b1ae504ea3be5093d763fee
Signed-off-by: Adriana Kobylak <anoo@us.ibm.com>
diff --git a/sync_watch.cpp b/sync_watch.cpp
index e4942fd..7f1f970 100644
--- a/sync_watch.cpp
+++ b/sync_watch.cpp
@@ -5,9 +5,10 @@
 #include <sys/inotify.h>
 #include <unistd.h>
 
+#include <phosphor-logging/log.hpp>
+
 #include <filesystem>
 #include <fstream>
-#include <phosphor-logging/log.hpp>
 
 namespace phosphor
 {