dt-bindings: arm: qcom: document sc7280 and villager board

This adds a LTE skus for Chromebook Villager to the yaml.
Signed-off-by: Jimmy Chen <jinghung.chen3@hotmail.com>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/SG2PR03MB5006CE1EB9BFD95511133CA6CC949@SG2PR03MB5006.apcprd03.prod.outlook.com

Documentation/devicetree/bindings/arm/qcom.yaml

@@ -580,11 +580,26 @@ properties:
           - const: google,herobrine
           - const: qcom,sc7280
 
+      - description: Google Villager (rev0)
+        items:
+          - const: google,villager-rev0
+          - const: qcom,sc7280
+
       - description: Google Villager (newest rev)
         items:
           - const: google,villager
           - const: qcom,sc7280
 
+      - description: Google Villager with LTE (rev0)
+        items:
+          - const: google,villager-rev0-sku0
+          - const: qcom,sc7280
+
+      - description: Google Villager with LTE (newest rev)
+        items:
+          - const: google,villager-sku0
+          - const: qcom,sc7280
+
       - items:
           - enum:
               - lenovo,flex-5g