ci: Use the pipelineAgent parameter like the x4xx

.ci/templates/job-uhd-rf-tests-pebbles.yml

@@ -19,7 +19,6 @@ parameters:
 jobs:
 - template: job-uhd-rf-tests.yml
   parameters:
-    suiteName: 'pebbles'
     toolset: 'make'
     uhdSrcDir: '${{ parameters.uhdSrcDir }}'
     uhdArtifactSource: '${{ parameters.uhdArtifactSource }}'
@@ -44,3 +43,4 @@ jobs:
           devLabgridConfig: .ci/templates/tests/pebbles-labgrid/device-configs/pebbles-n310-0.yml
           pytestDUT: 'n310-0'
           pytestAtsConfig: 'uhd_oss_ats'
+          pipelineAgent: pebbles-agent-1

.ci/templates/job-uhd-rf-tests.yml

@@ -1,6 +1,4 @@
 parameters:
-- name: suiteName
-  type: string
 - name: toolset
   type: string
   values:
@@ -29,8 +27,7 @@ jobs:
     matrix: ${{ parameters.dutMatrix }}
   pool:
     name: 'de-dre-lab'
-    demands:
-    - suiteName -equals ${{ parameters.suiteName }}
+    demands: uhd_ats -equals $(pipelineAgent)
   variables:
   - group: sdr-pipeline-vars
   workspace: