add gpio led uart

hc

2024-05-10 748e4f3d702def1a4bff191e0cf93b6a05340f01

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# Locally computed
sha256 d766ce9b25548c59b1e7e930505b4cad9a7bb0b904a1a391fbb604d529781ac0  dmidecode-3.1.tar.xz