dt-bindings: mfd: syscon: Add Rockchip RV1126 QoS register

Document dt-bindings for Rockchip RV1126 QoS registers.
Signed-off-by: Jagan Teki <jagan@edgeble.ai>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lee Jones <lee@kernel.org>
Link: https://lore.kernel.org/r/20220723204335.750095-17-jagan@edgeble.ai

Documentation/devicetree/bindings/mfd/syscon.yaml

@@ -59,6 +59,7 @@ properties:
               - rockchip,rk3368-qos
               - rockchip,rk3399-qos
               - rockchip,rk3568-qos
+              - rockchip,rv1126-qos
               - samsung,exynos3-sysreg
               - samsung,exynos4-sysreg
               - samsung,exynos5-sysreg