arm64: dts: qcom: sm8150: Add DMA nodes

With this patch, DMA has a chance of probing and doing something
useful.

Reviewed-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Reviewed-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Felipe Balbi <felipe.balbi@microsoft.com>
Link: https://lore.kernel.org/r/20210417061951.2105530-3-balbi@kernel.org


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