arm64: dts: ipq6018: 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/20201027164511.476312-9-vkoul@kernel.orgSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

arch/arm64/boot/dts/qcom/ipq6018.dtsi

@@ -192,7 +192,7 @@ prng: qrng@e1000 {
 			clock-names = "core";
 		};
 
-		cryptobam: dma@704000 {
+		cryptobam: dma-controller@704000 {
 			compatible = "qcom,bam-v1.7.0";
 			reg = <0x0 0x00704000 0x0 0x20000>;
 			interrupts = <GIC_SPI 207 IRQ_TYPE_LEVEL_HIGH>;
@@ -252,7 +252,7 @@ tcsr_q6: syscon@1945000 {
 			reg = <0x0 0x01945000 0x0 0xe000>;
 		};
 
-		blsp_dma: dma@7884000 {
+		blsp_dma: dma-controller@7884000 {
 			compatible = "qcom,bam-v1.7.0";
 			reg = <0x0 0x07884000 0x0 0x2b000>;
 			interrupts = <GIC_SPI 238 IRQ_TYPE_LEVEL_HIGH>;