add gpio

hc

2023-12-04 f33f61bdb7ca6d5ebe7a78f9d8694b91360279ac

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FIREFLY
M:    Simon Glass <sjg@chromium.org>
S:    Maintained
F:    board/firefly/firefly-rk3288
F:    include/configs/firefly-rk3288.h
F:    configs/firefly-rk3288_defconfig