sensors/zones: place in namespace and cleanup

Signed-off-by: Patrick Venture <venture@google.com>
Change-Id: I527dbc8477a232945f696227a7b0b2adbee45175
diff --git a/dbus/dbusconfiguration.cpp b/dbus/dbusconfiguration.cpp
index c1279a4..c3c72bd 100644
--- a/dbus/dbusconfiguration.cpp
+++ b/dbus/dbusconfiguration.cpp
@@ -32,6 +32,9 @@
 #include <unordered_map>
 #include <variant>
 
+namespace pid_control
+{
+
 static constexpr bool DEBUG = false; // enable to print found configuration
 
 extern std::map<std::string, struct conf::SensorConfig> sensorConfig;
@@ -957,4 +960,6 @@
     }
     return true;
 }
+
 } // namespace dbus_configuration
+} // namespace pid_control