[Feature]: Format switch on the fly

[ozan956]

Problem Statement

Add format switch options to ov5640.

Proposed Solution

use referenced driver as starting point:
https://github.com/STMicroelectronics/stm32-ov5640

Feature Category

Device Driver

Priority

High (important but workaround exists)

Alternatives Considered

No response

Use Case

No response

Proposed API (Optional)

Implementation Ideas (Optional)

No response

Target Platforms

STM32 only

Breaking Change

Yes, requires API changes

Additional Context

No response

Contribution

• I am willing to contribute a PR for this feature

Checklist

• I have searched for similar feature requests
• I have provided a clear use case for this feature