Mediatek SoC Security Engines (GCPU)

Required properties:
- compatible : Should be "mediatek,<soc>-gcpu"
- reg: Should contain GCPU registers location and length
- interrupts: Should contain GCPU interrupt number

Examples:

	gcpu@10216000 {
		compatible = "mediatek,mt6735-gcpu";
		reg = <0x10216000 0x1000>;
		interrupts = <GIC_SPI 150 IRQ_TYPE_LEVEL_LOW>;
	};