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/ubi/item_updater_helper.cpp b/ubi/item_updater_helper.cpp
index b05291e..68162cb 100644
--- a/ubi/item_updater_helper.cpp
+++ b/ubi/item_updater_helper.cpp
@@ -1,8 +1,9 @@
-#include <phosphor-logging/log.hpp>
-
 #include "config.h"
+
 #include "item_updater_helper.hpp"
 
+#include <phosphor-logging/log.hpp>
+
 namespace phosphor
 {
 namespace software