clang-format: update to latest version

Pick up latest .clang-format file from the docs repository.
Fix formatting on all files.
Minor compile fixes due to GCC10 and sdbusplus changes.

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: Ie1f7a4e59b6cf015310effef50d558ff59731024
diff --git a/utility.hpp b/utility.hpp
index 13c6e36..e2487f6 100644
--- a/utility.hpp
+++ b/utility.hpp
@@ -3,6 +3,7 @@
 #include <phosphor-logging/elog.hpp>
 #include <phosphor-logging/log.hpp>
 #include <sdbusplus/bus.hpp>
+
 #include <string>
 
 namespace witherspoon