Broadcom GFAP

The Gateway Forward Assist Processor (GFAP) is a hardware acceleration block
designed to significantly increase the speed of packets through the system.

Required properties:

- compatible:
    Must be "brcm,gfap"

- reg:
    entry    description
    1        Defines the base and size of the I/O address space of GFAP

- id_string:
    Device tree name.

- gfap_use_scb:
    Use SCB bus instead of UBUS for DDR access

- switch_data_mac:
    0	     Select UNIMAC0 to be used with the switch
    1	     Select UNIMAC1 to be used with the switch

Example:

	gfap@13c00000 {
		compatible = "brcm,gfap";
		reg = <0x13c00000 0x1000000>;
		id_string = "gfap";
		gfap_use_scb = <0x0>;
		switch_data_mac = <0x1>;
	};
