feat: add Radxa Zero

[shawaj]

Issue

• Link: N/A
• Summary: add Radxa Zero hardware

How

Add Radxa Zero light variant

Known issue: reset pin is correct for the light hotspot board but this pin on the Radxa Zero is an ADC so we will need to change this

Screenshots

References

https://wiki.radxa.com/Zero/hardware https://wiki.radxa.com/Zero

Checklist

• [x] Tests added
• [x] Cleaned up commit history (rebase!)
• [x] Documentation added
• [x] Thought about variable and method names

[sonarcloud[bot]]

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