dt-bindings: display: Add bindings for OSD101T2045-53TS

This adds the device-tree bindings for the OSD101T2045-53TS 10.1"
1920x1200 panel from One Stop Displays.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190226075523.28997-2-peter.ujfalusi@ti.com

Documentation/devicetree/bindings/display/panel/osddisplays,osd101t2045-53ts.txt

+One Stop Displays OSD101T2045-53TS 10.1" 1920x1200 panel
+
+Required properties:
+- compatible: should be "osddisplays,osd101t2045-53ts"
+- power-supply: as specified in the base binding
+
+Optional properties:
+- backlight: as specified in the base binding
+
+This binding is compatible with the simple-panel binding, which is specified
+in simple-panel.txt in this directory.