Proposed title of this feature request
Support for customizing the pod pidlimit in OCP cluster on day 0 / at the time of OCP deployment.

What is the nature and description of the request: 
Currently users are configuring the pidslimit post installation .
However users want to have pids limit configurable at the time of OCP deployment.

Why does the customer need this?
On a large cluster rolling out machine configuration to change pids limit takes a lot of time.
Providing option as day zero configuration will save lots of time given it will be configured as part of first time CoreOS installation.

List any affected packages or components.