* NVIDIA Tegra APB DMA controller

Required properties:
- compatible: Should be "nvidia,<chip>-apbdma"
- reg: Should contain DMA registers location and length. This shuld include
  all of the per-channel registers.
- interrupts: Should contain all of the per-channel DMA interrupts.

Examples:

apbdma: dma@6000a000 {
	compatible = "nvidia,tegra20-apbdma";
	reg = <0x6000a000 0x1200>;
	interrupts = < 0 136 0x04
		       0 137 0x04
		       0 138 0x04
		       0 139 0x04
		       0 140 0x04
		       0 141 0x04
		       0 142 0x04
		       0 143 0x04
		       0 144 0x04
		       0 145 0x04
		       0 146 0x04
		       0 147 0x04
		       0 148 0x04
		       0 149 0x04
		       0 150 0x04
		       0 151 0x04 >;
};