Allow the timeout of the csi driver to be set

[coolstim]

Is this a bug fix or adding new feature?
This allows the configuration of a previously hard coded setting that controls the timeout of call to the csi driver.
#433

What is this PR about? / Why do we need it?
AWS had an issue taking the provisioning of file systems longer than the 5m default. Now this setting is configurable.

What testing is done?
Deployment with a timeout of 15m during the time that provisioning was taking longer than 5min.

[k8s-ci-robot]

Hi @coolstim. Thanks for your PR.

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[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: coolstim, samuelverstraete
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[coolstim]

@khoang98 or @torredil any chance to get a review here?

[torredil]

/okay-to-test
/assign khoang98

[admintimcools]

@torredil @khoang98 any update?