clang-format: update to latest from docs repo

Since `Cpp11` is an alias for `Latest` and we should tend towards using the
latest C++ standard, udpate the C++ standard to Latest.

https://github.com/llvm/llvm-project/commit/e5032567903de19962333c4bf7d2edceaf4f9824#diff-b49a097415dff2837d9626d422c58ba8R82
https://github.com/openbmc/docs/blob/master/style/cpp/.clang-format

Signed-off-by: George Liu <liuxiwei@inspur.com>
Change-Id: Iaac09e3c11ead581114c4b7e45ff863ec56a63f6
diff --git a/elog-errors.hpp b/elog-errors.hpp
index b9121c7..a2ad7c7 100644
--- a/elog-errors.hpp
+++ b/elog-errors.hpp
@@ -5,6 +5,7 @@
 #include <phosphor-logging/elog.hpp>
 #include <phosphor-logging/log.hpp>
 #include <sdbusplus/exception.hpp>
+
 #include <string>
 #include <tuple>
 #include <type_traits>