ESP32-S3 PowerFeather Fixes

[powerfeatherdev]

Description of Change

Follow up to #8889.

• Adds missing pin definitions for D7 and D8.
• Fixes pin definitions for ALARM and EN
• Makes CDC on boot enabled default.
• Remove partition schemes for flash sizes other than what is on PowerFeather (8MB)
• Add other 8MB schemes: default FATFS variation, large FATFS and SPIFFS

Tests scenarios

• Internal tests of all publicly exposed pin definitions are ok.
• CDC on boot is default for PowerFeather confirmed.
• Partition schemes build and flash, including newly added ones. The flashed test firmware lists partitions using esp_partition_xxx APIs, verified it matches the csv files.

Related links

First PR: #8889
Website: https://www.powerfeather.dev/

[github-actions]

Warnings

⚠️

Some issues found for the commit messages in this PR: the commit message "Enable CDC on boot": summary looks empty type/action looks empty the commit message "Fix and add pin definitions": summary looks empty type/action looks empty the commit message "Use partition schemes appropriate for flash size": summary looks empty type/action looks empty Please fix these commit messages - here are some basic tips: follow Conventional Commits style correct format of commit message should be: <type/action>(<scope/component>): <summary>, for example fix(esp32): Fixed startup timeout issue allowed types are: change,ci,docs,feat,fix,refactor,remove,revert,test sufficiently descriptive message summary should be between 20 to 72 characters and start with upper case letter avoid Jira references in commit messages (unavailable/irrelevant for our customers) TIP: Install pre-commit hooks and run this check when committing (uses the Conventional Precommit Linter).

	Messages
📖	You might consider squashing your 3 commits (simplifying branch history).

👋 Hello powerfeatherdev, we appreciate your contribution to this project!

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[powerfeatherdev]

@P-R-O-C-H-Y @me-no-dev @VojtechBartoska, PTAL.

[powerfeatherdev]

Thank you @P-R-O-C-H-Y!