Description of problem: 

after installing latest MCE and enabling CAPA and CAPI trying to install ROSA-HCP getting error in the CAPA pods complaining about not authrized to store the ocm token as below

E0227 18:50:26.520615       1 controller.go:324] "Reconciler error" err="failed to create OCM client: error creating connection. Can't persist tokens to config: Failed to create directory /.config/ocm: mkdir /.config: read-only file system" controller="rosacontrolplane" controllerGroup="controlplane.cluster.x-k8s.io" controllerKind="ROSAControlPlane" ROSAControlPlane="ns-rosa-hcp/rosa-cp-1" namespace="ns-rosa-hcp" name="rosa-cp-1" reconcileID="1568f3d4-8e48-46d7-9ae3-a6652e358e06" 

Version-Release number of selected component (if applicable):

How reproducible:

100%

Steps to Reproduce:

1. deploy MCE using latest downstream image mce-custom-registery:2.8-latest
2. use the ROSA-HCP template to create ROSA-HCP and apply it to the cluster 
3. check the CAPA pod logs

Actual results:

Expected results:

Additional info: