LED6 to LED8 are GPIO LEDs. Add corresponding DT nodes.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
 
 /dts-v1/;
 /include/ "r8a7790.dtsi"
+#include <dt-bindings/gpio/gpio.h>
 
 / {
        model = "Lager";
                #address-cells = <1>;
                #size-cells = <1>;
        };
+
+       leds {
+               compatible = "gpio-leds";
+               led6 {
+                       gpios = <&gpio4 22 GPIO_ACTIVE_HIGH>;
+               };
+               led7 {
+                       gpios = <&gpio4 23 GPIO_ACTIVE_HIGH>;
+               };
+               led8 {
+                       gpios = <&gpio5 17 GPIO_ACTIVE_HIGH>;
+               };
+       };
 };