* H8/300 bus controller

Required properties:
  - compatible: Must be "renesas,h8300-bsc".
  - reg: Base address and length of BSC registers.

Example.
	bsc: memory-controller@fee01e {
		compatible = "renesas,h8300h-bsc", "renesas,h8300-bsc";
		reg = <0xfee01e 8>;
	};