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.cpp b/download_manager.cpp
index 6bbe604..6357ee8 100644
--- a/download_manager.cpp
+++ b/download_manager.cpp
@@ -1,16 +1,20 @@
-#include <iostream>
-#include <string>
-#include <unistd.h>
-#include <sys/wait.h>
-#include <phosphor-logging/log.hpp>
-#include <experimental/filesystem>
-#include <algorithm>
 #include "config.h"
-#include <phosphor-logging/elog.hpp>
-#include <phosphor-logging/elog-errors.hpp>
-#include "xyz/openbmc_project/Common/error.hpp"
+
 #include "download_manager.hpp"
 
+#include "xyz/openbmc_project/Common/error.hpp"
+
+#include <sys/wait.h>
+#include <unistd.h>
+
+#include <algorithm>
+#include <experimental/filesystem>
+#include <iostream>
+#include <phosphor-logging/elog-errors.hpp>
+#include <phosphor-logging/elog.hpp>
+#include <phosphor-logging/log.hpp>
+#include <string>
+
 namespace phosphor
 {
 namespace software