drm/exynos: Split creation of gem object and gem handle

exynos_drm_gem_create function created gem object with gem handle but it
can be called externally without gem handle creation through this patch.

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
3 files changed