e2e: add pod yaml which consume block mode clone pvc

Signed-off-by: Humble Chirammal <hchiramm@redhat.com>

examples/rbd/block-pod-clone.yaml

@@ -0,0 +1,17 @@
+---
+apiVersion: v1
+kind: Pod
+metadata:
+  name: pod-with-block-volume-clone
+spec:
+  containers:
+    - name: centos
+      image: centos:latest
+      command: ["/bin/sleep", "infinity"]
+      volumeDevices:
+        - name: data
+          devicePath: /dev/xvda
+  volumes:
+    - name: data
+      persistentVolumeClaim:
+        claimName: block-pvc-clone