arm64: dts: qcom: sm6125: Add GPI DMA nodes

Add nodes for GPI DMA hosts on SM6125.

[Marijn: reorder properties, use sdm845 fallback compatible, disable by
 default, use 3 instead of 5 dma cells]

Signed-off-by: Martin Botka <martin.botka@somainline.org>
Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20221222194600.139854-3-marijn.suijten@somainline.org