add gpio

hc

2023-12-04 f33f61bdb7ca6d5ebe7a78f9d8694b91360279ac

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# Locally computed:
sha256  78549714e7c7fa246a4019c245f4da044aee6cfe48ad6887c4013ac4c749c7b9  bootutils-1.0.0.tar.gz