ARM: dts: sun8i: Add PWM controller node for A23/A33

A23/A33 have a PWM controller that is compatible to the one on the A20.
Add a device node for it.
Signed-off-by: NChen-Yu Tsai <wens@csie.org>
Reviewed-by: NHans de Goede <hdegoede@redhat.com>
Signed-off-by: NMaxime Ripard <maxime.ripard@free-electrons.com>

arch/arm/boot/dts/sun8i-a23-a33.dtsi

@@ -466,6 +466,14 @@
 			interrupts = <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>;
 		};
 
+		pwm: pwm@01c21400 {
+			compatible = "allwinner,sun7i-a20-pwm";
+			reg = <0x01c21400 0xc>;
+			clocks = <&osc24M>;
+			#pwm-cells = <3>;
+			status = "disabled";
+		};
+
 		lradc: lradc@01c22800 {
 			compatible = "allwinner,sun4i-a10-lradc-keys";
 			reg = <0x01c22800 0x100>;