dt-bindings: arm: rockchip: pmu: add rockchip,rk3128-pmu

Add rockchip,rk3128-pmu compatible string.
Signed-off-by: Johan Jonker <jbx6244@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/faf2b30e-1a1a-0dc1-04ce-f40e5d758718@gmail.comSigned-off-by: Heiko Stuebner <heiko@sntech.de>

Documentation/devicetree/bindings/arm/rockchip/pmu.yaml

@@ -21,6 +21,7 @@ select:
         enum:
           - rockchip,px30-pmu
           - rockchip,rk3066-pmu
+          - rockchip,rk3128-pmu
           - rockchip,rk3288-pmu
           - rockchip,rk3368-pmu
           - rockchip,rk3399-pmu
@@ -36,6 +37,7 @@ properties:
       - enum:
           - rockchip,px30-pmu
           - rockchip,rk3066-pmu
+          - rockchip,rk3128-pmu
           - rockchip,rk3288-pmu
           - rockchip,rk3368-pmu
           - rockchip,rk3399-pmu