* Microchip LAN9252 stand-alone EtherCAT slave controller device tree bindings

Required properties:
 - compatible: Should be "lan9252".
 - spi-max-frequency : Max spi frequency to use   
 - reg: SPI chip select.

Example:
	ethercat: lan9252@1 {
		compatible = "lan9252";
		spi-max-frequency = <20000000>;
		reg = <1>;
	};
