ARM: dts: sun7i: Enable PWM controller on Wexler TAB7200 tablet

Wexler TAB7200 tablet use channel 0 of the PWM controller for backlight dimming
Signed-off-by: Aleksei Mamlin <mamlinav@gmail.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

arch/arm/boot/dts/sun7i-a20-wexler-tab7200.dts

@@ -154,6 +154,12 @@ usb0_id_detect_pin: usb0_id_detect_pin@0 {
 	};
 };
 
+&pwm {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pwm0_pins_a>;
+	status = "okay";
+};
+
 &reg_dcdc2 {
 	regulator-always-on;
 	regulator-min-microvolt = <1000000>;