Defined in 4 files as a label:
- sys/boot/fdt/dts/arm/bcm2835.dtsi, line 349 (as a label)
- sys/boot/fdt/dts/arm/bcm2836.dtsi, line 342 (as a label)
- sys/boot/fdt/dts/arm/rpi.dts, line 248 (as a label)
- sys/boot/fdt/dts/arm/rpi2.dts, line 265 (as a label)