These are used by common Broadcom SoC's like
the BCM2711 (RPi4) and iProc network processor.

Tested on the RPi4B using the Raspberry Pi
UEFI+ACPI firmware[1].
Signed-off-by: NMathew McBride <matt@traverse.com.au>

[1] - https://github.com/pftf/RPi4