Loongson display controller
===========================

Required properties:
- compatible: Should be "loongson,display-subsystem" or "loongson,ls-fb"
- reg: should be register base and length
- interrupts: Should contain the cores interrupt line

example:

lsdc: dc@0x400c0000 {
	compatible = "loongson,display-subsystem", "loongson,ls-fb";
	reg = <0x400c0000 0x00010000>;
	interrupt-parent = <&icu>;
	interrupts = <36>;
};
