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/image_verify.cpp b/image_verify.cpp
index 7f0bca7..6057653 100644
--- a/image_verify.cpp
+++ b/image_verify.cpp
@@ -9,13 +9,14 @@
 #include <openssl/err.h>
 #include <sys/stat.h>
 
-#include <fstream>
 #include <phosphor-logging/elog-errors.hpp>
 #include <phosphor-logging/elog.hpp>
 #include <phosphor-logging/log.hpp>
-#include <set>
 #include <xyz/openbmc_project/Common/error.hpp>
 
+#include <fstream>
+#include <set>
+
 namespace phosphor
 {
 namespace software