arm64: dts: msm8916: Fix dma node name

DMA controller binding describes the node name should be dma-controller
and not dma, so fix the node name
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20201027164511.476312-5-vkoul@kernel.orgSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

arch/arm64/boot/dts/qcom/msm8916.dtsi

@@ -1425,7 +1425,7 @@ sdhc_2: sdhci@7864000 {
 			status = "disabled";
 		};
 
-		blsp_dma: dma@7884000 {
+		blsp_dma: dma-controller@7884000 {
 			compatible = "qcom,bam-v1.7.0";
 			reg = <0x07884000 0x23000>;
 			interrupts = <GIC_SPI 238 IRQ_TYPE_LEVEL_HIGH>;