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

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

This reverts commit 191f2234698b44311524fcba82bc287c805594f6.

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>