Add llm_gen_config_path to workload settings

Author: anandhu-eng

script/add-custom-nvidia-system/dummy_config.py

@@ -6,8 +6,9 @@
 
 EXPORTS = {
     C.WorkloadSetting(C.HarnessType.Custom, C.AccuracyTarget(0.99), C.PowerSetting.MaxP): {
-
+        llm_fields.llm_gen_config_path: 'code/llama2-70b/tensorrt/generation_config.json',
     },
     C.WorkloadSetting(C.HarnessType.Custom, C.AccuracyTarget(0.999), C.PowerSetting.MaxP): {
+        llm_fields.llm_gen_config_path: 'code/llama2-70b/tensorrt/generation_config.json',
     },
 }