drm/exynos: Replace repeated declarations by #include "exynos_drm_drv.h"
drm/exynos: Replace repeated declarations by #include "exynos_drm_drv.h"

Re-declare struct is not a good practice, let's use the original
drm and exynos declarations.

Signed-off-by: Gustavo Padovan <029a69b25713d0799b81c0a39685b4c040fa1425@collabora.co.uk>
Signed-off-by: Inki Dae <bae4a7a27bbc965064e97edd6e179ac4979db440@samsung.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs