cbopinfo: all flag not collecting all available custom resource defenitions

Created a crd for portworx storage deployment. This info is missing in the collected log file.

Test case: TestLogCollectClusterWithPVC

couchbase-operator]$ ./build/bin/cbopinfo -operator-image couchbase/couchbase-operator-internal:1.0.0-448 -kubeconfig ~/.kube/config_NewCluster1 -namespace default -all
Wrote cluster information to cbopinfo-20180926T152736+0530.tar.gz

couchbase-operator]$ export KUBECONFIG=~/.kube/config_NewCluster1
Ashwins-MacBook-Pro:couchbase-operator]$ kubectl get crd -n default
NAME AGE
couchbaseclusters.couchbase.com 22m
etcdclusters.etcd.database.coreos.com 19m
couchbase-operator]${noformat}