dt-bindings: display: panel-simple: merge Innolux p120zdg-bf1

There is nothing special in Innolux p120zdg-bf1 panel, so just like
other Innolux panels it can be made part of panel-simple.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20230326155425.91181-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Rob Herring <robh@kernel.org>

Documentation/devicetree/bindings/display/panel/innolux,p120zdg-bf1.yaml

@@ -1,43 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0
-%YAML 1.2
----
-$id: http://devicetree.org/schemas/display/panel/innolux,p120zdg-bf1.yaml#
-$schema: http://devicetree.org/meta-schemas/core.yaml#
-
-title: Innolux P120ZDG-BF1 12.02 inch eDP 2K display panel
-
-maintainers:
-  - Sandeep Panda <spanda@codeaurora.org>
-  - Douglas Anderson <dianders@chromium.org>
-
-allOf:
-  - $ref: panel-common.yaml#
-
-properties:
-  compatible:
-    const: innolux,p120zdg-bf1
-
-  enable-gpios: true
-  power-supply: true
-  backlight: true
-  no-hpd: true
-
-required:
-  - compatible
-  - power-supply
-
-additionalProperties: false
-
-examples:
-  - |
-    #include <dt-bindings/gpio/gpio.h>
-
-    panel_edp: panel-edp {
-        compatible = "innolux,p120zdg-bf1";
-        enable-gpios = <&msmgpio 31 GPIO_ACTIVE_LOW>;
-        power-supply = <&pm8916_l2>;
-        backlight = <&backlight>;
-        no-hpd;
-    };
-
-...

Documentation/devicetree/bindings/display/panel/panel-simple.yaml

@@ -192,6 +192,8 @@ properties:
       - innolux,n125hce-gn1
         # InnoLux 15.6" WXGA TFT LCD panel
       - innolux,n156bge-l21
+        # Innolux P120ZDG-BF1 12.02 inch eDP 2K display panel
+      - innolux,p120zdg-bf1
         # Innolux Corporation 7.0" WSVGA (1024x600) TFT LCD panel
       - innolux,zj070na-01p
         # King & Display KD116N21-30NV-A010 eDP TFT LCD panel