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/activation.cpp b/activation.cpp
index 8fac93c..dc1993e 100644
--- a/activation.cpp
+++ b/activation.cpp
@@ -1,15 +1,18 @@
 #include "activation.hpp"
+
 #include "images.hpp"
 #include "item_updater.hpp"
 #include "serialize.hpp"
+
 #include <phosphor-logging/log.hpp>
 #include <sdbusplus/exception.hpp>
 
 #ifdef WANT_SIGNATURE_VERIFY
-#include <phosphor-logging/elog.hpp>
-#include <phosphor-logging/elog-errors.hpp>
-#include <xyz/openbmc_project/Common/error.hpp>
 #include "image_verify.hpp"
+
+#include <phosphor-logging/elog-errors.hpp>
+#include <phosphor-logging/elog.hpp>
+#include <xyz/openbmc_project/Common/error.hpp>
 #endif
 
 namespace phosphor