Add compatible string to routing so that it can support DT based module
autoloading.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Acked-by: Niklas Cassel <niklas.cassel@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
 = ADM routing
 "routing" subnode of the ADM node represents adm routing specific configuration
 
+- compatible:
+       Usage: required
+       Value type: <stringlist>
+       Definition: must be "qcom,q6adm-routing".
+
 - #sound-dai-cells
        Usage: required
        Value type: <u32>
        compatible = "qcom,q6adm";
        reg = <APR_SVC_ADM>;
        q6routing: routing {
+               compatible = "qcom,q6adm-routing";
                #sound-dai-cells = <0>;
        };
 };