Defined in 3 files as a label:
- arch/arm64/boot/dts/amlogic/meson-gxbb-nanopi-k2.dts, line 40 (as a label)
- arch/arm64/boot/dts/rockchip/rk3399-nanopi-m4.dts, line 19 (as a label)
- arch/arm64/boot/dts/rockchip/rk3399-nanopi-neo4.dts, line 15 (as a label)