regression: updated cpu benchmark values

Signed-off-by: syaakov <[email protected]>

Author: syaakov

scripts/automation/regression/setups/trex22/benchmark.yaml

@@ -170,23 +170,23 @@ test_performance_syn_attack_single_cpu:
      cfg:
         mult                    : "90%"
         mpps_per_core_golden    :
-                                  min: 3.0
+                                  min: 2.7
                                   max: 4.3
 
 test_performance_vm_multi_cpus:
     cfg:
         core_count             : 2
         mult                   : "40%"
         mpps_per_core_golden   :
-                                  min: 2.8
+                                  min: 2.3
                                   max: 4.1
 
 test_performance_vm_multi_cpus_cached:
     cfg:
         core_count             : 2
         mult                   : "40%"
         mpps_per_core_golden   :
-                                  min: 3.5
+                                  min: 3.0
                                   max: 5.8
 
 test_performance_syn_attack_multi_cpus: