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, update 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

Also, other OpenBMC repos are doing the same.

Signed-off-by: George Liu <liuxiwei@inspur.com>
Change-Id: I449e88bb4e1e262060110e1a8f3e8db3ddfc74cf
diff --git a/dbus_impl_pdr.cpp b/dbus_impl_pdr.cpp
index fb939e0..804a360 100644
--- a/dbus_impl_pdr.cpp
+++ b/dbus_impl_pdr.cpp
@@ -1,13 +1,13 @@
 #include "dbus_impl_pdr.hpp"
 
+#include "libpldm/pdr.h"
+#include "libpldm/pldm_types.h"
+
 #include "utils.hpp"
 #include "xyz/openbmc_project/Common/error.hpp"
 
 #include <iostream>
 
-#include "libpldm/pdr.h"
-#include "libpldm/pldm_types.h"
-
 using namespace sdbusplus::xyz::openbmc_project::Common::Error;
 
 namespace pldm