CI: changing the parallel thread scheme for eNB in L2 nFAPI sim

   --> impact on performance -- disabling iperf testing
Signed-off-by: Raphael Defosseux <raphael.defosseux@eurecom.fr>

ci-scripts/conf_files/rcc.band7.tm1.nfapi.conf

@@ -218,7 +218,7 @@ MACRLCs = (
 THREAD_STRUCT = (
   {
     #three config for level of parallelism "PARALLEL_SINGLE_THREAD", "PARALLEL_RU_L1_SPLIT", or "PARALLEL_RU_L1_TRX_SPLIT"
-    parallel_config    = "PARALLEL_SINGLE_THREAD";
+    parallel_config    = "PARALLEL_RU_L1_SPLIT";
     #two option for worker "WORKER_DISABLE" or "WORKER_ENABLE"
     worker_config      = "WORKER_ENABLE";
   }

ci-scripts/runTestOnVM.sh

@@ -1843,7 +1843,7 @@ function run_test_on_vm {
                     fi
                 fi
 
-                if [ $S1_NOS1_CFG -eq 0 ]
+                if [ $S1_NOS1_CFG -eq 2 ]
                 then
                     get_enb_noS1_ip_addr $ENB_VM_CMDS $ENB_VM_IP_ADDR
                     echo "############################################################"