types: move common types into types header

Signed-off-by: Patrick Venture <venture@google.com>
Change-Id: I8e6f6fbae784a8ceebcc83ac53c1beb5c7b46779
diff --git a/src/firmware-update.cpp b/src/firmware-update.cpp
index 04ed4e9..8c3cc94 100644
--- a/src/firmware-update.cpp
+++ b/src/firmware-update.cpp
@@ -19,6 +19,7 @@
 #include <sdbusplus/bus/match.hpp>
 #include <sdbusplus/server/object.hpp>
 #include <sdbusplus/timer.hpp>
+#include <types.hpp>
 
 #include <chrono>
 #include <cstdint>