dt-bindings: panel-simple-dsi: add Khadas TS050 panel bindings

This add the bindings for the Khadas TS050 1080x1920 5" LCD DSI panel designed to work
with the Khadas Edge-V, Captain, VIM3 and VIM3L Single Board Computers.
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20201204081949.38418-2-narmstrong@baylibre.com

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

@@ -35,6 +35,8 @@ properties:
       - boe,tv080wum-nl0
         # Innolux P079ZCA 7.85" 768x1024 TFT LCD panel
       - innolux,p079zca
+        # Khadas TS050 5" 1080x1920 LCD panel
+      - khadas,ts050
         # Kingdisplay KD097D04 9.7" 1536x2048 TFT LCD panel
       - kingdisplay,kd097d04
         # LG ACX467AKM-7 4.95" 1080×1920 LCD Panel