HWRNG support for the iproc-rng200 driver
Required properties:
- compatible : Must be one of:
"brcm,bcm2711-rng200"
"brcm,bcm7211-rng200"
"brcm,bcm7278-rng200"
"brcm,iproc-rng200"
- reg : base address and size of control register block
Example:
rng {
compatible = "brcm,iproc-rng200";
reg = <0x18032000 0x28>;
};