[ci]: Add dpu topo (#16723)

Enable an Azp job for checking DPU scenario.

Signed-off-by: Ze Gan <[email protected]>

Author: Pterosaur

azure-pipelines.yml

@@ -239,6 +239,21 @@ stages:
           COMMON_EXTRA_PARAMS: "--neighbor_type=sonic "
           VM_TYPE: vsonic
 
+  - job: dpu_elastictest
+    displayName: "kvmtest-dpu by Elastictest"
+    timeoutInMinutes: 240
+    continueOnError: false
+    pool: ubuntu-20.04
+    steps:
+      - template: .azure-pipelines/run-test-elastictest-template.yml@sonic-mgmt
+        parameters:
+          TOPOLOGY: dpu
+          MIN_WORKER: $(T0_SONIC_INSTANCE_NUM)
+          MAX_WORKER: $(T0_SONIC_INSTANCE_NUM)
+          KVM_IMAGE_BRANCH: "master"
+          MGMT_BRANCH: "master"
+
+
 #  - job: wan_elastictest
 #    displayName: "kvmtest-wan by Elastictest"
 #    pool: ubuntu-20.04