drm/exynos: merge exynos_drm_buf.c to exynos_drm_gem.c

The struct exynos_drm_gem_obj can have fields of the struct
exynos_drm_gem_buf then don't need to use exynos_drm_buf.c file.

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>

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

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

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

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

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

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

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

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

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