fix: updated worker node validation for ocp-ai

[imprateeksh]

Description

This PR is to fix the validation for OCP AI where the count of nodes in cluster should be considered instead of nodes in individual pools.

Issue Reference- #14452

Release required?

• No release
• Patch release (x.x.X)
• Minor release (x.X.x)
• Major release (X.x.x)

Release notes content

Run the pipeline

If the CI pipeline doesn't run when you create the PR, the PR requires a user with GitHub collaborators access to run the pipeline.

Run the CI pipeline when the PR is ready for review and you expect tests to pass. Add a comment to the PR with the following text:

/run pipeline

Checklist for reviewers

• If relevant, a test for the change is included or updated with this PR.
• If relevant, documentation for the change is included or updated with this PR.

For mergers

• Use a conventional commit message to set the release level. Follow the guidelines.
• Include information that users need to know about the PR in the commit message. The commit message becomes part of the GitHub release notes.
• Use the Squash and merge option.

[imprateeksh]

/run pipeline

[imprateeksh]

/run pipeline

[imprateeksh]

/run pipeline

[imprateeksh]

/run pipeline

[imprateeksh]

/run pipeline

[terraform-ibm-modules-ops]

🎉 This PR is included in version 3.51.7 🎉

The release is available on:

• GitHub release
• v3.51.7

Your semantic-release bot 📦🚀