[DCAEGEN2] Add pem support in CMPv2 for dcaegen2-services

- Add mounting certificates in pem format.
- Add comment description to certificates in dcae values

Issue-ID: DCAEGEN2-2688
Signed-off-by: Piotr Marcinkiewicz <piotr.marcinkiewicz@nokia.com>
Change-Id: I546292c33e25e36376b98d42e08a3c4ffa95de64
diff --git a/kubernetes/dcaegen2-services/components/dcae-hv-ves-collector/values.yaml b/kubernetes/dcaegen2-services/components/dcae-hv-ves-collector/values.yaml
index 502e3a8..bb65f37 100644
--- a/kubernetes/dcaegen2-services/components/dcae-hv-ves-collector/values.yaml
+++ b/kubernetes/dcaegen2-services/components/dcae-hv-ves-collector/values.yaml
@@ -65,6 +65,8 @@
     passwordPolicy: required
 
 # CMPv2 certificate
+# It is used only when global parameter cmpv2Enabled is true
+# Disabled by default
 certificates:
   - mountPath: /etc/ves-hv/ssl/external
     commonName: dcae-hv-ves-collector