arm64: dts: renesas: r8a77995: draak: enable PWM channel 0 and 1

This patch enables PWM channel 0 and 1 on the draak. Each channel
connects to LTC2644 for brightness control.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

arch/arm64/boot/dts/renesas/r8a77995-draak.dts

@@ -46,6 +46,16 @@ mux {
 		};
 	};
 
+	pwm0_pins: pwm0 {
+		groups = "pwm0_c";
+		function = "pwm0";
+	};
+
+	pwm1_pins: pwm1 {
+		groups = "pwm1_c";
+		function = "pwm1";
+	};
+
 	scif2_pins: scif2 {
 		groups = "scif2_data";
 		function = "scif2";
@@ -94,6 +104,20 @@ &usb2_phy0 {
 	status = "okay";
 };
 
+&pwm0 {
+	pinctrl-0 = <&pwm0_pins>;
+	pinctrl-names = "default";
+
+	status = "okay";
+};
+
+&pwm1 {
+	pinctrl-0 = <&pwm1_pins>;
+	pinctrl-names = "default";
+
+	status = "okay";
+};
+
 &rwdt {
 	timeout-sec = <60>;
 	status = "okay";