dt-bindings: display/msm: rename mdss nodes to display-subsystem

Follow the 'generic names' rule and rename mdss nodes to
display-subsystem.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Patchwork: https://patchwork.freedesktop.org/patch/518821/
Link: https://lore.kernel.org/r/20230118041243.1720520-5-dmitry.baryshkov@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>

Documentation/devicetree/bindings/display/msm/mdss-common.yaml

@@ -15,7 +15,15 @@ description:
   Device tree bindings for MSM Mobile Display Subsystem(MDSS) that encapsulates
   sub-blocks like DPU display controller, DSI and DP interfaces etc.
 
+# Do not select this by default, otherwise it is also selected for qcom,mdss
+# devices.
+select:
+  false
+
 properties:
+  $nodename:
+    pattern: "^display-subsystem@[0-9a-f]+$"
+
   reg:
     maxItems: 1
 

Documentation/devicetree/bindings/display/msm/qcom,mdss.yaml

@@ -15,6 +15,9 @@ description:
   encapsulates sub-blocks like MDP5, DSI, HDMI, eDP, etc.
 
 properties:
+  $nodename:
+    pattern: "^display-subsystem@[0-9a-f]+$"
+
   compatible:
     enum:
       - qcom,mdss
@@ -150,7 +153,7 @@ examples:
   - |
     #include <dt-bindings/clock/qcom,gcc-msm8916.h>
     #include <dt-bindings/interrupt-controller/arm-gic.h>
-    mdss@1a00000 {
+    display-subsystem@1a00000 {
         compatible = "qcom,mdss";
         reg = <0x1a00000 0x1000>,
               <0x1ac8000 0x3000>;