drm/panel: simple: Add Multi-Inno Technology MI0800FT-9

Add Multi-Inno Technology MI0800FT-9 8" 800x600 DPI panel support.

Signed-off-by: Christoph Niedermaier <cniedermaier@dh-electronics.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
To: dri-devel@lists.freedesktop.org
Signed-off-by: Marek Vasut <marex@denx.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20220812114832.4946-1-cniedermaier@dh-electronics.com