dt-bindings: display: msm: Add optional resets

Add an optional reference to the MDSS_CORE reset, which when specified
can be used by the implementation to reset the hardware blocks.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/482794/
Link: https://lore.kernel.org/r/20220421041550.643964-1-bjorn.andersson@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>

Documentation/devicetree/bindings/display/msm/dpu-qcm2290.yaml

@@ -66,6 +66,10 @@ properties:
   interconnect-names:
     const: mdp0-mem
 
+  resets:
+    items:
+      - description: MDSS_CORE reset
+
 patternProperties:
   "^display-controller@[0-9a-f]+$":
     type: object

Documentation/devicetree/bindings/display/msm/dpu-sc7180.yaml

@@ -65,6 +65,10 @@ properties:
   interconnect-names:
     const: mdp0-mem
 
+  resets:
+    items:
+      - description: MDSS_CORE reset
+
 patternProperties:
   "^display-controller@[0-9a-f]+$":
     type: object

Documentation/devicetree/bindings/display/msm/dpu-sc7280.yaml

@@ -64,6 +64,10 @@ properties:
   interconnect-names:
     const: mdp0-mem
 
+  resets:
+    items:
+      - description: MDSS_CORE reset
+
 patternProperties:
   "^display-controller@[0-9a-f]+$":
     type: object

Documentation/devicetree/bindings/display/msm/dpu-sdm845.yaml

@@ -57,6 +57,10 @@ properties:
 
   ranges: true
 
+  resets:
+    items:
+      - description: MDSS_CORE reset
+
 patternProperties:
   "^display-controller@[0-9a-f]+$":
     type: object