arm64: dts: qcom: sm8450: Add gpi_dma nodes

GPI DMA can be used for DMA operations for QUP devices, so add the three
gpi_dma insances found in this SoC

Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220414101630.1189052-2-vkoul@kernel.org