dt-bindings: arm: qcom: document Mikrotik RB3011 board

Add compatible for existing Mikrotik RB3011 board.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20221017014653.12970-1-krzysztof.kozlowski@linaro.org

Documentation/devicetree/bindings/arm/qcom.yaml

@@ -264,6 +264,7 @@ properties:
 
       - items:
           - enum:
+              - mikrotik,rb3011
               - qcom,ipq8064-ap148
           - const: qcom,ipq8064