add gpio led uart

hc

2024-05-10 748e4f3d702def1a4bff191e0cf93b6a05340f01

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# From https://fedorahosted.org/releases/i/p/iptraf-ng/iptraf-ng-1.1.4.tar.gz.sum
sha1    a2e51b0dd6b8c80583fc25d055850c96b3d2f544    iptraf-ng-1.1.4.tar.gz