add gpio

hc

2023-12-04 f33f61bdb7ca6d5ebe7a78f9d8694b91360279ac

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APX4DEVKIT BOARD
M:    Lauri Hintsala <lauri.hintsala@bluegiga.com>
S:    Maintained
F:    board/bluegiga/apx4devkit/
F:    include/configs/apx4devkit.h
F:    configs/apx4devkit_defconfig