dt-bindings: display: tilcd: Fix endpoint addressing in example

Remove the bogus unit addresses from the endpoints in the example.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/c58b9cdcd09cf669bb63cd9465d0f75dd66e742c.1634822358.git.geert+renesas@glider.be


Signed-off-by: Rob Herring <robh@kernel.org>