dt-bindings: display: simple: Add Mitsubishi AA084XE01 panel

Add Mitsubishi AA084XE01 8.4" XGA TFT LCD panel compatible string.

Link: https://www.mouser.fr/datasheet/2/274/aa084xe01_e-364171.pdfSigned-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230807123138.67443-1-miquel.raynal@bootlin.com

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

@@ -238,6 +238,8 @@ properties:
       - logictechno,lttd800480070-l6wh-rt
         # Mitsubishi "AA070MC01 7.0" WVGA TFT LCD panel
       - mitsubishi,aa070mc01-ca1
+        # Mitsubishi AA084XE01 8.4" XGA TFT LCD panel
+      - mitsubishi,aa084xe01
         # Multi-Inno Technology Co.,Ltd MI0700S4T-6 7" 800x480 TFT Resistive Touch Module
       - multi-inno,mi0700s4t-6
         # Multi-Inno Technology Co.,Ltd MI0800FT-9 8" 800x600 TFT Resistive Touch Module