Chore(vmware): Update VMware CSV file (#451)

Signed-off-by: uditgaurav <udit@chaosnative.com>

charts/generic/pod-cpu-hog/engine.yaml

@@ -1,3 +1,4 @@
+
 apiVersion: litmuschaos.io/v1alpha1
 kind: ChaosEngine
 metadata:
@@ -26,4 +27,4 @@ spec:
               value: '1'
 
             - name: TOTAL_CHAOS_DURATION
-              value: '60' # in seconds
+              value: '60' # in seconds

charts/vmware/vm-poweroff/vm-poweroff.chartserviceversion.yaml

@@ -10,7 +10,11 @@ metadata:
 spec:
   displayName: vm-poweroff
   categoryDescription: |
-     Stops the vmware vm for a certain chaos duration
+    This experiment causes powerOff of a target vmware instance for a certain chaos duration.
+    - Causes powerOff of the vmware instance provided by Moid of the instance.
+    - It helps to check the performance of the application/services on the instance.
+    - Currently, the experiment is supported for vsphere version 6.X (Support for 7.X will be added soon)
+
   keywords:
     - Kubernetes
     - Vmware