Allow setting of Tolerations for the Operator Deployment during installation

[phmcder]

Problem
I use node taints to define which nodes my pods reside on. The Helm chart does not allow me to set Tolerations for the Operator deployment, so therefore, the pod cannot find a node to deploy to.

Persona:
Operator

Exit Criteria
Tolerations can be set for the deployment when deployed to the cluster

Time Estimate (optional):
2 Days

[houshengbo]

@phmcder Welcome to contribute if you find this useful.

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