drm/bridge: ti-sn65dsi83: Set bridge type

This is a DSI to LVDS bridge, so set the bridge type accordingly.

Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Robert Foss <rfoss@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20250120132135.554391-1-alexander.stein@ew.tq-group.com