The 'rs485-rts-active-high' property is not a valid property and is not
documented anywhere.
Remove it to fix the following DT schema warning:
serial@
21f0000: Unevaluated properties are not allowed ('rs485-rts-active-high' was unexpected)
Signed-off-by: Fabio Estevam <festevam@denx.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
        pinctrl-names = "default";
        pinctrl-0 = <&pinctrl_uart4>;
        rts-gpios = <&gpio3 2 GPIO_ACTIVE_HIGH>;
-       rs485-rts-active-high;
        linux,rs485-enabled-at-boot-time;
        status = "okay";
 };