_All texts in italics are instructional and should be replaced by contents or removed._
## Checklist
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* [ ] Enough information to help reviewers understand the issue, its root cause, impact, and the proposed solution
* [ ] Enough information to help reviewers understand the feature, its functional description, example, documentation, test cases, test results, feature TODO list
* [ ] The MR Title describes the change, including the component name, ie "lwip: Add support for IP over Pigeon"
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_For issues, put enough information here to help reviewers understand the issue, its root cause, impact, and the proposed solution._
_If this issue is a regression, specify in the `Related` subsection below, in which commit or MR it was introduced. This helps reviewers to check if the backport labels are set correctly._
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_For features, put enough information here to help reviewers understand the feature, its functional description, example, documentation, test cases, test results, feature TODO list._
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_For other small/non-public changes, which are not expected to be in the release notes, can be mentioned here, include:_
* changes that don't apply to customers, e.g. some CI fixes, test only MR and etc
## Related
* Mention or related JIRA tasks (e.g. IDF-0000), to make sure they get updated.
* Mention submodule MR, if there is
* Mention backport(ed) MR, if there is
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_Changes made in this MR that should go into the **Release Notes** should be listed here. Please use **past tense** and *specify the area (see maintainers page of IDF internal wiki)*. If there is a subscope, include it and separate with slash (`/`). Minor changes can go to the descriptions above without a release notes entry._
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* [VFS/UART] Now vfs_uart_set_rts_cts accept one more instance argument, to support configuration to different ports.
