ci: Enhance boards test validation

[P-R-O-C-H-Y]

Description of Change

This pull request improves the board validation process in the CI workflows by introducing a reusable validation script and enhancing the accuracy of board detection. The main changes focus on centralizing board validation logic, ensuring only actual boards are processed, and updating workflow steps to use the new script. PR includes also fixes for boards that are not passing the Rules 2-6.

Board validation improvements:

• Added .github/scripts/validate_board.sh and updated both boards.yml and allboards.yml workflows to use this script for validating board definitions, replacing inline validation logic. [1] [2]

• 6 Validation Rules for ESP32 Boards:

  • Rule 1: Build Board Format
    build.board must be uppercase letters, numbers, and underscores only
    Example: ESP32_DEV ✅ | esp32-dev ❌
  • Rule 2: Required Properties
    Must have upload.flags and upload.extra_flags defined
  • Rule 3: Partition Scheme Validation
    All partition schemes must fit within board's flash size
    Checks scheme names, descriptions, and upload limits
  • Rule 4: VID/PID Consistency
    No duplicate VID/PID entries
    VID and PID indices must match (vid.0 ↔ pid.0)
    Prevents any board from using the reserved ESP32 family ID (0x303a/0x1001)
  • Rule 5: DebugLevel Menu
    Must have all 6 debug levels: none, error, warn, info, debug, verbose
    Each with correct code_debug values (0-5)
  • Rule 6: No duplicate lines
    Looks for the same property defined twice for one board (catching copy-paste errors)
    Shows exactly where the duplicates are in the file

Board detection enhancements:

• Refactored .github/scripts/find_new_boards.sh to use an excluded_entries array for filtering out non-board entries, making board detection more robust and maintainable.

Workflow updates:

• In allboards.yml, added steps to make the validation script executable and validate each board in the chunk, reporting failures and stopping the workflow if any board fails validation.
• In boards.yml, replaced the previous uppercase check for build.board with the new validation script for consistency and improved reliability.

Board Definition Updates (boards.txt):

• Updated the maximum upload size for the "Custom" partition scheme for multiple boards, reducing it from 16MB to either 4MB or 8MB, depending on the board. [1] [2] [3] [4] [5] [6] [7]
• Removed several 8MB and 16MB partition scheme options (such as default_8MB, fatflash, and app3M_fat9M_16MB) from various boards to streamline the available choices and possibly reflect hardware or support changes. [1] [2] [3] [4] [5] [6] [7]
• Added or corrected partition scheme definitions for some boards, such as introducing missing build.partitions and upload.maximum_size entries for app3M_fat9M_16MB on esp32s3-octal.
• Updated flash size for um_tinyc6 from 4MB to 8MB, reflecting a hardware change.
• Added a new debug level "Verbose" for S_ODI_Ultra.

These changes collectively improve the reliability of board validation in CI and keep the board definitions up-to-date with current hardware and support requirements.

Test Scenarios

Tested locally

Related links

[github-actions]

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📖	This PR seems to be quite large (total lines of code: 1080), you might consider splitting it into smaller PRs

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[P-R-O-C-H-Y]

@me-no-dev @lucasssvaz PR is ready for your review :)