fix(nodes/iec61850_goose): Create publishers if only output section exists

Signed-off-by: Calvin Katt <calvin.katt@rwth-aachen.de>

Author: Calvin Katt

lib/nodes/iec61850_goose.cpp

@@ -1065,6 +1065,8 @@ int GooseNode::prepare() {
 
   if (in.enabled) {
     createReceiver();
+  }
+  if (out.enabled) {
     createPublishers();
   }