clang-format: Update to match docs repo

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

Change-Id: I7119c12f1cc0a461cb7e4576dff6a02dcc95cbc4
Signed-off-by: Gunnar Mills <gmills@us.ibm.com>
diff --git a/item_updater.cpp b/item_updater.cpp
index 8ae8549..91421b8 100644
--- a/item_updater.cpp
+++ b/item_updater.cpp
@@ -1,16 +1,19 @@
-#include <string>
-#include <experimental/filesystem>
-#include <fstream>
-#include <queue>
-#include <phosphor-logging/elog-errors.hpp>
-#include <phosphor-logging/log.hpp>
-#include "xyz/openbmc_project/Common/error.hpp"
-#include <xyz/openbmc_project/Software/Version/server.hpp>
-#include "version.hpp"
 #include "config.h"
+
 #include "item_updater.hpp"
+
 #include "activation.hpp"
 #include "serialize.hpp"
+#include "version.hpp"
+#include "xyz/openbmc_project/Common/error.hpp"
+
+#include <experimental/filesystem>
+#include <fstream>
+#include <phosphor-logging/elog-errors.hpp>
+#include <phosphor-logging/log.hpp>
+#include <queue>
+#include <string>
+#include <xyz/openbmc_project/Software/Version/server.hpp>
 
 namespace openpower
 {