Update all examples yaml files of GMC in GenAIExample (#436)

* Update all examples yaml files of GMC in GenAIExample.
Signed-off-by: zhlsunshine <huailong.zhang@intel.com>

DocSum/kubernetes/docsum_gaudi.yaml

@@ -18,13 +18,14 @@ spec:
     root:
       routerType: Sequence
       steps:
-      - name: DocSumGaudi
+      - name: DocSum
         data: $response
         internalService:
           serviceName: docsum-llm-uservice
           config:
             endpoint: /v1/chat/docsum
             PORT: "9009"
+            TGI_LLM_ENDPOINT: tgi-gaudi-svc
       - name: TgiGaudi
         internalService:
           serviceName: tgi-gaudi-svc

DocSum/kubernetes/docsum_xeon.yaml

@@ -25,6 +25,7 @@ spec:
           config:
             endpoint: /v1/chat/docsum
             PORT: "9009"
+            TGI_LLM_ENDPOINT: tgi-svc
       - name: Tgi
         internalService:
           serviceName: tgi-svc