dt-bindings: pwm: rockchip: Add rockchip,rk3562-pwm

The PWM core on Rockchip's RK3562 is the same as the one already
included in RK3328. Extend the binding accordingly to allow

	compatible = "rockchip,rk3562-pwm", "rockchip,rk3328-pwm";

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Acked-by: Uwe Kleine-König <ukleinek@kernel.org>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20250227111913.2344207-11-kever.yang@rock-chips.com
Signed-off-by: Uwe Kleine-König <ukleinek@kernel.org>

Author: keveryang

Documentation/devicetree/bindings/pwm/pwm-rockchip.yaml

@@ -30,6 +30,7 @@ properties:
           - enum:
               - rockchip,px30-pwm
               - rockchip,rk3308-pwm
+              - rockchip,rk3562-pwm
               - rockchip,rk3568-pwm
               - rockchip,rk3588-pwm
               - rockchip,rv1126-pwm