VOLTHA job fixes

- Use `build-node` and `buildNode` rather than other names for Jenkins
  executors.

- Leave the `TestNodeName` var until external Jenkinsfiles are updated

Change-Id: I017d6c9802ae1132302d6046684a74ac99813b7e
diff --git a/jjb/cord-test/att-workflow.yaml b/jjb/cord-test/att-workflow.yaml
index cca01c2..f4d304c 100644
--- a/jjb/cord-test/att-workflow.yaml
+++ b/jjb/cord-test/att-workflow.yaml
@@ -11,7 +11,7 @@
     jobs:
       # onlab pod1 build
       - 'build_pod_manual':
-          testvm: 'onf-build'
+          build-node: 'onf-build'
           config-pod: 'onlab-pod1'
           profile: 'att-workflow'
           branch: 'master'
@@ -22,7 +22,7 @@
 
       # onlab pod1 build - cord6.1(voltha 1.6) - seba1.0
       - 'build_pod_manual':
-          testvm: 'onf-build'
+          build-node: 'onf-build'
           config-pod: 'onlab-pod1-voltha16'
           profile: 'att-workflow'
           branch: 'cord-6.1'
@@ -33,7 +33,7 @@
 
       # flex pod1 test job - using voltha-master branch
       - 'build_pod_test':
-          testvm: 'onf-build'
+          build-node: 'onf-build'
           config-pod: 'onlab-pod1-qa'
           profile: 'att-workflow'
           branch: 'master'
@@ -42,7 +42,7 @@
 
       # onlab pod2 build
       - 'build_pod_manual':
-          testvm: 'onf-build'
+          build-node: 'onf-build'
           config-pod: 'onlab-pod2'
           profile: 'att-workflow'
           branch: 'master'
@@ -53,7 +53,7 @@
 
       # flex OCP pod with olt/onu : using voltha latest(master)
       # - 'build_pod_timer':
-      #   testvm: 'qa-testvm-pod'
+      #   build-node: 'qa-testvm-pod'
       #   config-pod: 'flex-ocp-cord-voltha-master'
       #   profile: 'att-workflow'
       #   branch: 'master'
@@ -65,7 +65,7 @@
 
       # flex OCP pod with olt/onu - seba-1.0/cord-6.1 release
       # - 'build_pod_timer':
-      #   testvm: 'qa-testvm-pod'
+      #   build-node: 'qa-testvm-pod'
       #   config-pod: 'flex-ocp-cord-voltha16'
       #   profile: 'att-workflow'
       #   branch: 'cord-6.1'
@@ -77,7 +77,7 @@
 
       # flex OCP test job - using voltha-master branch
       - 'build_pod_test':
-          testvm: 'qa-testvm-pod'
+          build-node: 'qa-testvm-pod'
           config-pod: 'flex-ocp-cord-voltha-master'
           profile: 'att-workflow'
           branch: 'master'
@@ -86,7 +86,7 @@
 
       # flex ocp pod test job - seba-1.0/cord-6.1 release
       - 'build_pod_test':
-          testvm: 'qa-testvm-pod'
+          build-node: 'qa-testvm-pod'
           config-pod: 'flex-ocp-cord-voltha16'
           profile: 'att-workflow'
           branch: 'cord-6.1'