dt-bindings: display: simple: add EDT ETML0700Y5DHA panel

Add binding for the Emerging Display Technology ETML0700Y5DHA panel.
It is a 7" WSVGA (1024x600) TFT LCD panel with:
 - LVDS data interface,
 - backlight and
 - capacitive touch.
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220530122407.918874-1-m.felsch@pengutronix.de

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

@@ -141,6 +141,8 @@ properties:
         # Emerging Display Technology Corp. WVGA TFT Display with capacitive touch
       - edt,etm0700g0dh6
       - edt,etm0700g0edh6
+        # Emerging Display Technology Corp. LVDS WSVGA TFT Display with capacitive touch
+      - edt,etml0700y5dha
         # Emerging Display Technology Corp. 5.7" VGA TFT LCD panel with
         # capacitive touch
       - edt,etmv570g2dhu