add gpio

hc

2023-12-04 f33f61bdb7ca6d5ebe7a78f9d8694b91360279ac

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config BR2_PACKAGE_LIBTOOL
    bool "libtool"
    help
      Library that hides the complexity of using shared/static
      libraries on different platforms behind a consistent, portable
      interface.
 
      http://www.gnu.org/software/libtool/