dt-bindings: Add qcom,msgq-names property to qcom,mem-buf-msgq

This device can communicate with more than one msgq. Describe
the names or these msgqs.

Change-Id: Ibc0a4de16c6158ac756459fc2ee8862bd9e23215
Signed-off-by: Patrick Daly <quic_pdaly@quicinc.com>

bindings/soc/qcom/qcom,mem-buf-msgq.yaml

@@ -17,13 +17,20 @@ properties:
     items:
       - const: qcom,mem-buf-msgq
 
+  qcom,msgq-names:
+    $ref: /schemas/types.yaml#/definitions/string-array
+    description:
+      A list of msgqs this device is able to communicate over.
+
 additionalProperties: false
 
 required:
   - compatible
+  - qcom,msgq-names
 
 examples:
   - |
     qcom,mem-buf-msgq {
         compatible = "qcom,mem-buf-msgq";
+        qcom,msgq-names = "trusted_vm", "oem_vm";
     };