Updated Document about Worker node labeling for CSI

[Oreo-Tech]

While setting CSI on a custom Kubernetes cluster setup, we came across these two labels that were required for to complete CSI setup on the cluster

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[AkarshES]

These labels get set automatically if the CCM container is running correctly. Can you check the logs of the CCM container to figure out whats failing

[Oreo-Tech]

during the step of setting the CSI node driver the pods were failing with error

response": "{\"name\":\"fss.csi.oraclecloud.com\",\"vendor_version\":\"0.1.0\"}"}
2024-05-21T11:06:56.122Z        ERROR   FSS     csi-util/utils.go:119   Did not find the label for the fault domain.    {"nodeId": "pvtrihesk8w2dr", "label": "failure-domain.beta.kubernetes.io/zone"}
2024-05-21T11:06:56.122Z        ERROR   FSS     driver/fss_node.go:420  Failed to get availability domain of node from kube api server. {"error": "Did not find the label for the fault domain.", "nodeId": "pvtrihesk8w2dr", "availabilityDomain": ""}