ARM: dts: qcom: apq8064: User generic node name for DMA

Qcom BAM DT spec expects generic DMA controller node name as
"dma-controller" to enable validations.
Signed-off-by: Kuldeep Singh <singh.kuldeep87k@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220410175056.79330-2-singh.kuldeep87k@gmail.com

arch/arm/boot/dts/qcom-apq8064.dtsi

@@ -1040,7 +1040,7 @@ sata0: sata@29000000 {
 		};
 
 		/* Temporary fixed regulator */
-		sdcc1bam:dma@12402000{
+		sdcc1bam: dma-controller@12402000{
 			compatible = "qcom,bam-v1.3.0";
 			reg = <0x12402000 0x8000>;
 			interrupts = <0 98 IRQ_TYPE_LEVEL_HIGH>;
@@ -1050,7 +1050,7 @@ sdcc1bam:dma@12402000{
 			qcom,ee = <0>;
 		};
 
-		sdcc3bam:dma@12182000{
+		sdcc3bam: dma-controller@12182000{
 			compatible = "qcom,bam-v1.3.0";
 			reg = <0x12182000 0x8000>;
 			interrupts = <0 96 IRQ_TYPE_LEVEL_HIGH>;
@@ -1060,7 +1060,7 @@ sdcc3bam:dma@12182000{
 			qcom,ee = <0>;
 		};
 
-		sdcc4bam:dma@121c2000{
+		sdcc4bam: dma-controller@121c2000{
 			compatible = "qcom,bam-v1.3.0";
 			reg = <0x121c2000 0x8000>;
 			interrupts = <0 95 IRQ_TYPE_LEVEL_HIGH>;