clang-format: Update to match docs repo

Update the .clang-format file.
Now includes header sorting and updating PointerAlignment.

Change-Id: I5c7690d8d83cdebe26ff3a73b90a2a8c17dd8054
Signed-off-by: Gunnar Mills <gmills@us.ibm.com>
diff --git a/download_manager.hpp b/download_manager.hpp
index 30e0b73..edafaab 100644
--- a/download_manager.hpp
+++ b/download_manager.hpp
@@ -1,8 +1,9 @@
 #pragma once
 
-#include <sdbusplus/bus.hpp>
 #include "xyz/openbmc_project/Common/TFTP/server.hpp"
 
+#include <sdbusplus/bus.hpp>
+
 namespace phosphor
 {
 namespace software