add gpio led uart

hc

2024-05-10 748e4f3d702def1a4bff191e0cf93b6a05340f01

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# Locally computed
sha256    f84e2e42b2b6b221ef9b586f6ae63d863db4ff21858e0ce7c84622a7c9522950    ramspeed-2.6.0.tar.gz