arm64: dts: rockchip: rename LED label for NanoPi R4S

However "sys" is not a valid function, and it is always on.
Let's keep existing functions.

Fixes: db792e9adb ("rockchip: rk3399: Add support for FriendlyARM NanoPi R4S")

Suggested-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Tianling Shen <cnsztl@gmail.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Link: https://lore.kernel.org/r/20210426114652.29542-1-cnsztl@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
This commit is contained in:
Tianling Shen 2021-04-26 19:46:52 +08:00 • committed by Heiko Stuebner
commit 6a11ffc2cc