adi:ad5529r: Add support for AD5529r

[NagaHimanshu]

1. Add base class for AD552xr
2. Add driver for AD5529r
3. Add example script for data streaming

Pull Request Description

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PR Type

• Bug fix (change that fixes an issue)
• New feature (change that adds new functionality)
• Breaking change (has dependencies in other repos or will cause CI to fail)

PR Checklist

• I have performed a self-review of the changes
• I have commented my code, at least hard-to-understand parts
• I have build all projects affected by the changes in this PR
• I have tested in hardware affected projects, at the relevant boards
• I have signed off all commits from this PR
• I have updated the documentation by running /docs/source/reference_api/gen_sysobj_doc.m script locally, if applies.