add gpio led uart

hc

2024-05-10 748e4f3d702def1a4bff191e0cf93b6a05340f01

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# Locally computed:
sha256  2164592a67b467e5b20fdcdaf5bd4c50685199067391c6fcad4fa5521c9b4dd7  fdk-aac-0.1.5.tar.gz