add gpio led uart

hc

2024-05-10 748e4f3d702def1a4bff191e0cf93b6a05340f01

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# Locally computed:
sha256  1e258205dcde99d0eeb52404ee7ff1bc9a39eb3878e8455fb72bad7cf90c7357  libusbgx-2e3d43ee098ed928d1baa61ce791ce9ff4788c5a.tar.gz