MAX9291 HDMI to GMSL Serializer driver

Required properties:
- compatible : should be "maxim,max9291".
- reg : i2c regmap address
- maxim,enable-gpio : GPIO for enabling MAX9291 chip

Examples:
        i2c@31c0000 {
                max9291@40 {
                        compatible = "maxim,max9291";
                        reg = <0x40>;
                        status = "okay";
                        maxim,enable-gpio = <&tegra_main_gpio TEGRA_MAIN_GPIO(O, 1) 0>;
                };

}