* Power Management Controller (PMC)

Required properties:
- compatible: Should be "atmel,<chip>-pmc".
	<chip> can be: at91rm9200, at91sam9260, at91sam9g45, at91sam9n12,
	at91sam9x5, sama5d3

- reg: Should contain PMC registers location and length

Examples:
	pmc: pmc@fffffc00 {
		compatible = "atmel,at91rm9200-pmc";
		reg = <0xfffffc00 0x100>;
	};