add gpio led uart

hc

2024-05-10 748e4f3d702def1a4bff191e0cf93b6a05340f01

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# Locally computed
sha256 373c108d7b6778c62a33e59ad0cd5ea9ebb379319a0c8b4cf469eaa8bec5521b  cbootimage-v1.7.tar.gz