* Power off control pin on Thinknode m5 during deepsleep
* Apply suggestion from @Copilot
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
* Finish HAS_RTC cleanup
* Add RTC for Thinknode M5
* Don't double-init Wire
* Specify the RTC chip directly rather than use SensorRtcHelper.
Saves a bit of flash, and avoid mis-detection
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Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>