Deep sleep config for BK72xx

[szupi-ipuzs]

Description:

Description of deep_sleep component extended to include differences for bk72xx.

Related issue (if applicable): fixes

Pull request in esphome with YAML changes (if applicable):

• [deep_sleep] Deep sleep for BK72xx esphome#12267

Checklist:

• I am merging into next because this is new documentation that has a matching pull-request in esphome as linked above.
  or

• I am merging into current because this is a fix, change and/or adjustment in the current documentation and is not for a new component or feature.

• Link added in /components/index.rst when creating new documents for new components or cookbook.

New Component Images

If you are adding a new component to ESPHome, you can automatically generate a standardized black and white component name image for the documentation.

To generate a component image:

1. Comment on this pull request with the following command, replacing COMPONENT_NAME with your component name in UPPER_CASE format with underscores (e.g., BME280, SHT3X, DALLAS_TEMP):

   @esphomebot generate image COMPONENT_NAME
   

2. The ESPHome bot will respond with a downloadable ZIP file containing the SVG image.

3. Extract the SVG file and place it in the images/ folder of this repository.

4. Use the image in your component's index table entry in /components/index.rst.

Example: For a component called "DHT22 Temperature Sensor", use:

@esphomebot generate image DHT22

[netlify]

✅ Deploy Preview for esphome ready!

Name	Link
🔨 Latest commit	891f711
🔍 Latest deploy log	https://app.netlify.com/projects/esphome/deploys/693c48b930dba90008b443ad
😎 Deploy Preview	https://deploy-preview-5716--esphome.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify project configuration.

[bdraco]

I did a few small tweaks. Please check them. Thanks

[szupi-ipuzs]

Looks fine, thanks.

[bdraco]

Thanks @szupi-ipuzs