Change token name to match IT-created token

Change-Id: Ie08eb15af669d4247c611c122ca0a77eb365f6dd

.azuredevops/rocm-ci.yml

@@ -2,7 +2,7 @@ resources:
   repositories:
   - repository: pipelines_repo
     type: github
-    endpoint: External-CI-Token
+    endpoint: ROCm
     name: ROCm/ROCm
   pipelines:
   - pipeline: rocr-runtime_pipeline