arm64: dts: qcom: sc7180: Update iommu property for simultaneous playback

Update iommu property in lpass cpu node for supporting
simultaneous playback on headset and speaker.

Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: V Sujith Kumar Reddy <vsujithk@codeaurora.org>
Signed-off-by: Srinivasa Rao Mandadapu <srivasam@codeaurora.org>
Link: https://lore.kernel.org/r/20210406163330.11996-1-srivasam@codeaurora.org


Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>