[board-manager]Add board Waveshare ESP32-P4-WIFI6-Touch-LCD-7B

[MoonLight423]

Checklist

• Checked the issue tracker for similar issues to ensure this is not a duplicate.
• Described the feature in detail and justified the reason for the request.
• Provided specific use cases and examples.

Feature description

Please help add support for Waveshare ESP32-P4-WIFI6-Touch-LCD-7B
The board web site: https://www.waveshare.net/shop/ESP32-P4-WIFI6-Touch-LCD-7B.htm

Use cases

This board has a 7 inch LCD touch screen that can show many information with AI agent help

Alternatives

No response

Additional context

No response

[laride]

Thanks for the suggestion. We currently don't have this development board available for testing, so we can't provide official support for it yet. PRs are welcome.

[phirzcol]

i have both the 7" and 5" p4 boards from waveshare. they are great.