add gpio led uart

hc

2024-05-10 748e4f3d702def1a4bff191e0cf93b6a05340f01

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# Locally computed
sha256    5669d968c2de3dfc6adfda76e83789b6ba76368407c832438cef5e7099a65e1c    sigrok-cli-0.7.0.tar.gz