clang-format: Update to match docs repo

Update the .clang-format file and run clang-format-6.0.
This .clang-format matches the example one in
https://github.com/openbmc/docs/blob/master/cpp-style-and-conventions.md#clang-formatting

Change-Id: Id6760866dedbaeafd83ea8ef2e0303e30b8955aa
Signed-off-by: Gunnar Mills <gmills@us.ibm.com>
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/app.cpp b/app.cpp
index ee02949..260e27b 100644
--- a/app.cpp
+++ b/app.cpp
@@ -1,17 +1,19 @@
-#include <phosphor-logging/log.hpp>
-#include <phosphor-logging/elog.hpp>
-#include <xyz/openbmc_project/Common/error.hpp>
-#include <org/open_power/OCC/Device/error.hpp>
-#include "occ_manager.hpp"
-#include "occ_events.hpp"
-#include "elog-errors.hpp"
 #include "config.h"
 
+#include "elog-errors.hpp"
+#include "occ_events.hpp"
+#include "occ_manager.hpp"
+
+#include <org/open_power/OCC/Device/error.hpp>
+#include <phosphor-logging/elog.hpp>
+#include <phosphor-logging/log.hpp>
+#include <xyz/openbmc_project/Common/error.hpp>
+
 using namespace phosphor::logging;
 
 using namespace sdbusplus::org::open_power::OCC::Device::Error;
-using InternalFailure = sdbusplus::xyz::openbmc_project::Common::
-                                Error::InternalFailure;
+using InternalFailure =
+    sdbusplus::xyz::openbmc_project::Common::Error::InternalFailure;
 
 int main(int argc, char* argv[])
 {