video: bridge-uclass: add get_display_timing ops

Add get_display_timing ops for internal bridges linked to
panels that do not support EDID (MIPI-DSI panels for example)
or have EDID not routed.

Tested-by: Dang Huynh <danct12@riseup.net> (PineTab 2)
Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2 files changed