dt-bindings: mmc: rockchip-dw-mshc: Document Rockchip RV1126

Add a compatible string for Rockchip RV1126 SoC.

Signed-off-by: Jagan Teki <jagan@edgeble.ai>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220723204335.750095-12-jagan@edgeble.ai
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

Author: openedev

Documentation/devicetree/bindings/mmc/rockchip-dw-mshc.yaml

@@ -39,6 +39,7 @@ properties:
               - rockchip,rk3399-dw-mshc
               - rockchip,rk3568-dw-mshc
               - rockchip,rv1108-dw-mshc
+              - rockchip,rv1126-dw-mshc
           - const: rockchip,rk3288-dw-mshc
 
   reg: