RSTC Reset Controller required properties:
- compatible: Should be "atmel,<chip>-rstc".
- <chip> can be "at91sam9260" or "at91sam9g45" or "sama5d3"
+ <chip> can be "at91sam9260", "at91sam9g45", "sama5d3" or "samx7"
+ it also can be "microchip,sam9x60-rstc"
- reg: Should contain registers location and length
- clocks: phandle to input clock.