* SPEAr keyboard controller

Required properties:
- compatible: "st,spear300-kbd"

Optional properties, in addition to those specified by the shared
matrix-keyboard bindings:
- autorepeat: bool: enables key autorepeat
- st,mode: keyboard mode: 0 - 9x9, 1 - 6x6, 2 - 2x2

Example:

kbd@fc400000 {
	compatible = "st,spear300-kbd";
	reg = <0xfc400000 0x100>;
	linux,keymap = < 0x00030012
			 0x0102003a >;
	autorepeat;
	st,mode = <0>;
};
