arm64: dts: Add ARM PL330 DMA DT node for NS2

We have one ARM PL330 DMA instance with 8 channels in
NS2 SoC. Let's enable it for NS2 in NS2 DT.
Signed-off-by: Anup Patel <anup.patel@broadcom.com>
Reviewed-by: Ray Jui <rjui@broadcom.com>
Reviewed-by: Pramod KUMAR <pramodku@broadcom.com>
Reviewed-by: Scott Branden <sbranden@broadcom.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>

arch/arm64/boot/dts/broadcom/ns2.dtsi

@@ -217,6 +217,25 @@ soc: soc {
 		#size-cells = <1>;
 		ranges = <0 0 0 0xffffffff>;
 
+		dma0: dma@61360000 {
+			compatible = "arm,pl330", "arm,primecell";
+			reg = <0x61360000 0x1000>;
+			interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 209 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 210 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 211 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 212 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 213 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 214 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 215 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 216 IRQ_TYPE_LEVEL_HIGH>;
+			#dma-cells = <1>;
+			#dma-channels = <8>;
+			#dma-requests = <32>;
+			clocks = <&iprocslow>;
+			clock-names = "apb_pclk";
+		};
+
 		smmu: mmu@64000000 {
 			compatible = "arm,mmu-500";
 			reg = <0x64000000 0x40000>;