On SM8550, the GPI DMA controller is coherent with the CPU.
Allow specifying that.
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230830-topic-8550_dmac2-v1-1-49bb25239fb1@linaro.orgSigned-off-by: Vinod Koul <vkoul@kernel.org>