add gpio led uart

hc

2024-05-10 748e4f3d702def1a4bff191e0cf93b6a05340f01

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What:           /sys/block/rssd*/status
Date:           April 2012
KernelVersion:  3.4
Contact:        Asai Thambi S P <asamymuthupa@micron.com>
Description:    This is a read-only file. Indicates the status of the device.