add gpio led uart

hc

2024-05-10 748e4f3d702def1a4bff191e0cf93b6a05340f01

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What:        /sys/kernel/fscaps
Date:        February 2011
KernelVersion:    2.6.38
Contact:    Ludwig Nussel <ludwig.nussel@suse.de>
Description:
        Shows whether file system capabilities are honored
        when executing a binary