drm/exynos: Move dp driver from video/ to drm/

This patch moves the code from video/ to drm/. This is required the DP
driver needs to power on/off in the correct order in relation to fimd.
This will also allow the DP driver to participate in drm modeset as well
as provide accurate connection detection and edid.

Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Inki Dae <inki.dae@samsung.com>

diff --cc MAINTAINERS
Simple merge

diff --cc drivers/gpu/drm/exynos/Kconfig
Simple merge

diff --cc drivers/gpu/drm/exynos/Makefile
Simple merge

diff --cc drivers/gpu/drm/exynos/exynos_dp_core.c
Simple merge

diff --cc drivers/gpu/drm/exynos/exynos_dp_core.h
Simple merge

diff --cc drivers/gpu/drm/exynos/exynos_dp_reg.c
Simple merge

diff --cc drivers/gpu/drm/exynos/exynos_dp_reg.h
Simple merge

diff --cc drivers/video/exynos/Kconfig
Simple merge

diff --cc drivers/video/exynos/Makefile
Simple merge