add gpio led uart

hc

2024-05-10 748e4f3d702def1a4bff191e0cf93b6a05340f01

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# Locally computed:
sha256  e4eb6c074bbab168ac47b947c195ff8cef9d51a211cdd18ca9c9ef34d27a373e  libmcrypt-2.5.8.tar.gz