add Waveshare ESP32-S3-Tiny-N8R8 board

[stolen]

Checklist

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• If you are adding an new boards, please make sure
  • Provide link to your allocated VID/PID if applicable
  • UF2_BOARD_ID in your board.h follow correct format from uf2 specs

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Added a definition for Waveshare ESP32-S3-Tiny-N8R8 board.
It is similar to older ESP32-S3-Tiny, but uses ESP32-PICO-N8R8 chip.
https://docs.waveshare.com/ESP32-S3-Tiny?variant=ESP32-S3-Tiny-N8R8

USB PID 0x837A
espressif/usb-pids@862f878

[Copilot]

Pull request overview

Adds a new Espressif board definition for the Waveshare ESP32-S3-Tiny-N8R8 variant (ESP32-PICO-N8R8), enabling TinyUF2 builds targeting this specific hardware configuration.

Changes:

• Introduces a new waveshare_esp32_s3_tiny_n8r8 board directory with board metadata (USB/UF2 identifiers and pin definitions).
• Sets the ESP-IDF target to esp32s3 for the new board.
• Configures an 8MB flash partition table and flasher size settings for the new board.

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 1 comment.

File	Description
ports/espressif/boards/waveshare_esp32_s3_tiny_n8r8/board.h	Defines pins and USB/UF2 identification strings for the new board.
ports/espressif/boards/waveshare_esp32_s3_tiny_n8r8/board.cmake	Sets the ESP-IDF target for this board definition.
ports/espressif/boards/waveshare_esp32_s3_tiny_n8r8/sdkconfig	Selects the 8MB partition table and flash size for the N8R8 variant.

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[hathach]

look good, thank you

[stolen]

Maybe we should wait until Circuitpython PR is OK too.
CI thinks it's bad to have two boards with identical VID/PID

adafruit/circuitpython#11033

[hathach]

Maybe we should wait until Circuitpython PR is OK too. CI thinks it's bad to have two boards with identical VID/PID

adafruit/circuitpython#11033

ok, bump me when there is an update on this.

[stolen]

@hathach I updated USB PID (allocated that PIDs in espressif repo).
CircuitPython PR merged.