dt-bindings: display: add binding for Innolux ee101ia-01d panel

This is a panel handled through the generic lvds-panel binding,
so only needs its additional compatible specified.

Signed-off-by: Heiko Stuebner <heiko.stuebner@bq.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20181113124205.29319-1-heiko@sntech.de

Documentation/devicetree/bindings/display/panel/innolux,ee101ia-01d.txt

+Innolux Corporation 10.1" EE101IA-01D WXGA (1280x800) LVDS panel
+
+Required properties:
+- compatible: should be "innolux,ee101ia-01d"
+
+This binding is compatible with the lvds-panel binding, which is specified
+in panel-lvds.txt in this directory.