dt-bindings: boe, tv101wum-n16: Add compatible for boe tv105wum-nw0.

Add bindings documentation for BOE TV105WUM-NW0 10.5" WUXGA TFT LCD
panel.

Signed-off-by: David Lu <david.lu@bitland.com.cn>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200324094525.4758-1-david.lu@bitland.com.cn