dt-bindings: display: Add BOE NV101WXMN51 panel binding

The BOE 10.1" NV101WXMN51 panel is an WXGA TFT LCD panel.

Signed-off-by: Caesar Wang <wxt@rock-chips.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>