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/version.cpp b/version.cpp
index f50500a..18f3f4f 100644
--- a/version.cpp
+++ b/version.cpp
@@ -6,10 +6,11 @@
 
 #include <openssl/sha.h>
 
-#include <fstream>
-#include <iostream>
 #include <phosphor-logging/elog-errors.hpp>
 #include <phosphor-logging/log.hpp>
+
+#include <fstream>
+#include <iostream>
 #include <sstream>
 #include <stdexcept>
 #include <string>