fix: add serviceability that outputs kubelet details

Signed-off-by: Paul Bastide <[email protected]>

Author: prb112

deployments/helm/power-dra-driver/templates/kubeletplugin.yaml

@@ -52,6 +52,10 @@ spec:
           valueFrom:
             fieldRef:
               fieldPath: metadata.namespace
+        - name: KUBELET_REGISTRAR_DIRECTORY_PATH
+          value: /var/lib/kubelet/plugins_registry
+        - name: KUBELET_PLUGINS_DIRECTORY_PATH
+          value: /var/lib/kubelet/plugins
         # Simulated number of devices the driver will to have.
         - name: NUM_DEVICES
           value: "8"