tegra: fdt: add apbdma node

Add apbdma node for tegra20 and tegra30, copied directly from tegra
Linux dtsi files.

Signed-off-by: Allen Martin <amartin@nvidia.com>
Signed-off-by: Tom Warren <twarren@nvidia.com>

arch/arm/dts/tegra20.dtsi

@@ -116,6 +116,27 @@
 		#clock-cells = <1>;
 	};
 
+	apbdma: dma {
+		compatible = "nvidia,tegra20-apbdma";
+		reg = <0x6000a000 0x1200>;
+		interrupts = <0 104 0x04
+			      0 105 0x04
+			      0 106 0x04
+			      0 107 0x04
+			      0 108 0x04
+			      0 109 0x04
+			      0 110 0x04
+			      0 111 0x04
+			      0 112 0x04
+			      0 113 0x04
+			      0 114 0x04
+			      0 115 0x04
+			      0 116 0x04
+			      0 117 0x04
+			      0 118 0x04
+			      0 119 0x04>;
+	};
+
 	gpio: gpio@6000d000 {
 		compatible = "nvidia,tegra20-gpio";
 		reg = < 0x6000d000 0x1000 >;

arch/arm/dts/tegra30.dtsi

@@ -9,6 +9,43 @@
 		#clock-cells = <1>;
 	};
 
+	apbdma: dma {
+		compatible = "nvidia,tegra30-apbdma", "nvidia,tegra20-apbdma";
+		reg = <0x6000a000 0x1400>;
+		interrupts = <0 104 0x04
+			      0 105 0x04
+			      0 106 0x04
+			      0 107 0x04
+			      0 108 0x04
+			      0 109 0x04
+			      0 110 0x04
+			      0 111 0x04
+			      0 112 0x04
+			      0 113 0x04
+			      0 114 0x04
+			      0 115 0x04
+			      0 116 0x04
+			      0 117 0x04
+			      0 118 0x04
+			      0 119 0x04
+			      0 128 0x04
+			      0 129 0x04
+			      0 130 0x04
+			      0 131 0x04
+			      0 132 0x04
+			      0 133 0x04
+			      0 134 0x04
+			      0 135 0x04
+			      0 136 0x04
+			      0 137 0x04
+			      0 138 0x04
+			      0 139 0x04
+			      0 140 0x04
+			      0 141 0x04
+			      0 142 0x04
+			      0 143 0x04>;
+	};
+
 	i2c@7000c000 {
 		#address-cells = <1>;
 		#size-cells = <0>;