device tree overlay for dual ili9341 displays. Should work now

two-ili9341.dts

/*
 * Device Tree overlay for 2x ili9341 2.2"
 *
 */

/dts-v1/;
/plugin/;

/ {
   compatible = "brcm,bcm2835", "brcm,bcm2708", "brcm,bcm2709";

   fragment@0 {
      target = <&spi0>;
      __overlay__ {
         status = "okay";

         spidev@0{
            status = "disabled";
         };

         spidev@1{
            status = "disabled";
         };
      };
   };

   fragment@1 {
      target = <&spi0>;
      __overlay__ {
         /* needed to avoid dtc warning */
         #address-cells = <1>;
         #size-cells = <0>;

         rpidisplay@0{
            compatible = "ilitek,ili9341";
            reg = <0>;

            spi-max-frequency = <32000000>;
            rotate = <270>;
            bgr;
            buswidth = <8>;
            reset-gpios = <&gpio 23 0>;
            dc-gpios = <&gpio 24 0>;
	        led-gpios = <&gpio 18 1>;
            debug = <0>;
         };

         rpidisplay@1{
            compatible = "ilitek,ili9341";
            reg = <1>;

            spi-max-frequency = <32000000>;
            rotate = <270>;
            bgr;
            buswidth = <8>;
            reset-gpios = <&gpio 16 0>;
            dc-gpios = <&gpio 21 0>;

            debug = <0>;
         };
      };
   };
};

Hope this helps.

https://forums.raspberrypi.com/viewtopic.php?f=43&t=193722&p=1215277&sid=785398ff8e58e8bd6559d9b19fcf4184#p1217930