Set up openwrt to show boot progress on the nanopi R6S or R6C system LED.
The LED blinking states indicate the boot stage. The LED is defined as
a power LED, but can still be set to heartbeat in /etc/config/system
after the system is done booting.
Signed-off-by: Michel Lespinasse <michel@lespinasse.org>
Link: https://github.com/openwrt/openwrt/pull/17638
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
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