add gpio

hc

2023-12-04 f33f61bdb7ca6d5ebe7a78f9d8694b91360279ac

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dscr_default_test
dscr_explicit_test
dscr_inherit_exec_test
dscr_inherit_test
dscr_sysfs_test
dscr_sysfs_thread_test
dscr_user_test