arm64: dts: qcs404: 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/20201027164511.476312-4-vkoul@kernel.orgSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

arch/arm64/boot/dts/qcom/qcs404.dtsi

@@ -801,7 +801,7 @@ sdcc1: sdcc@7804000 {
 			status = "disabled";
 		};
 
-		blsp1_dma: dma@7884000 {
+		blsp1_dma: dma-controller@7884000 {
 			compatible = "qcom,bam-v1.7.0";
 			reg = <0x07884000 0x25000>;
 			interrupts = <GIC_SPI 238 IRQ_TYPE_LEVEL_HIGH>;
@@ -1045,7 +1045,7 @@ blsp1_spi4: spi@78b9000 {
 			status = "disabled";
 		};
 
-		blsp2_dma: dma@7ac4000 {
+		blsp2_dma: dma-controller@7ac4000 {
 			compatible = "qcom,bam-v1.7.0";
 			reg = <0x07ac4000 0x17000>;
 			interrupts = <GIC_SPI 239 IRQ_TYPE_LEVEL_HIGH>;