dt-binbings: display/msm: dsi-controller-main: add missing supplies

Describe DSI supplies used on apq8064 (vdda-supply) and msm8994/96
(vcca-supply).
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Patchwork: https://patchwork.freedesktop.org/patch/518810/
Link: https://lore.kernel.org/r/20230118032432.1716616-5-dmitry.baryshkov@linaro.orgSigned-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>

Documentation/devicetree/bindings/display/msm/dsi-controller-main.yaml

@@ -147,6 +147,14 @@ properties:
       - port@0
       - port@1
 
+  avdd-supply:
+    description:
+      Phandle to vdd regulator device node
+
+  vcca-supply:
+    description:
+      Phandle to vdd regulator device node
+
   vdd-supply:
     description:
       VDD regulator