Revert "drm: exynos: dsi: Convert to bridge driver"

Revert "drm: exynos: dsi: Convert to bridge driver"

This reverts commit 3ef58dbeee9a9e8a955083951d994a7a7178100c.

It is merged by accident, the actual patch series on this bridge
conversion is still under review.

Revert this as it breaks the exynos DSI.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Signed-off-by: Robert Foss <robert.foss@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220111184347.502471-1-jagan@amarulasolutions.com
Reviewed-by: Robert Foss <robert.foss@linaro.org>