[lib][rr_graph] add ifdef guard around route_verbosity

Author: amin1377

libs/librrgraph/src/io/rr_graph_reader.cpp

@@ -73,7 +73,11 @@ void load_rr_file(RRGraphBuilder* rr_graph_builder,
                   bool do_check_rr_graph,
                   bool echo_enabled,
                   const char* echo_file_name,
+#ifdef VTR_ENABLE_CAPNPROTO
                   const int route_verbosity,
+#else
+                  bool /*route_verbosity*/,
+#endif
                   bool is_flat) {
     vtr::ScopedStartFinishTimer timer("Loading routing resource graph");
 

libs/librrgraph/src/io/rr_graph_writer.cpp

@@ -38,7 +38,11 @@ void write_rr_graph(RRGraphBuilder* rr_graph_builder,
                     const char* file_name,
                     bool echo_enabled,
                     const char* echo_file_name,
+#ifdef VTR_ENABLE_CAPNPROTO
                     const int route_verbosity,
+#else
+                    bool /*route_verbosity*/,
+#endif
                     bool is_flat) {
 
     // If Cap'n Proto is enabled, a unique ID is assigned to the schema used to serialize the RR graph.