Android Goldfish framebuffer

Android Goldfish framebuffer device used by Android emulator.

Required properties:

- compatible : should contain "google,goldfish-fb"
- reg        : <registers mapping>
- interrupts : <interrupt mapping>

Example:

	display-controller@1f008000 {
		compatible = "google,goldfish-fb";
		interrupts = <0x10>;
		reg = <0x1f008000 0x100>;
	};
