[syn] Print detailed messages to .md if publication is disabled

Signed-off-by: Michael Schaffner <msf@google.com>
diff --git a/util/dvsim/OneShotCfg.py b/util/dvsim/OneShotCfg.py
index 67677d5..6ff46b4 100644
--- a/util/dvsim/OneShotCfg.py
+++ b/util/dvsim/OneShotCfg.py
@@ -58,6 +58,7 @@
         self.build_modes = []
         self.run_modes = []
         self.regressions = []
+        self.max_msg_count = -1
 
         # Flow results
         self.result = OrderedDict()