Describe the QFPROM NVMEM block. Also, add a subnode to represent the
GPU speed bin region within it.
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20240307-topic-8280_nodes-v1-2-4eba20e08902@linaro.orgSigned-off-by: Bjorn Andersson <andersson@kernel.org>