Allow delay of 0, as requested by Infineon model of the 2EDNY52X

src/xspice/evt/evtload.c

@@ -563,8 +563,8 @@ static void EVTprocess_output(
 
     if (g_mif_info.circuit.anal_type == MIF_TRAN) {
         delay = port->delay;
-        if(delay <= 0.0) {
-            printf("\nERROR - Output delay <= 0 not allowed - output ignored!\n");
+        if(delay < 0.0) {
+            printf("\nERROR - Output delay < 0 not allowed - output ignored!\n");
             printf("  Instance: %s\n  Node: %s\n  Time: %f \n",
                    g_mif_info.instance->MIFname, node_table[node_index]->name,
                    g_mif_info.ckt->CKTtime);