Preprocess Conv2D weights on Device

[sankarmanoj-tt]

Ticket

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Problem description

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What's changed

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Checklist

• All post commit CI passes
• Nightly tt-metal L2 passes
• Single Card Demo Tests passes
• Model regression CI passes (if applicable)
• Device performance regression CI passes (if applicable)
• Nightly L2 passes
• (For models and ops writers) Full new models tests CI passes (if applicable)
• New/Existing tests provide coverage for changes