drm: fix typos in comment in /gpu/drm/exynos

Correct spelling typo in drivers/gpu/drm/exynos

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

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

diff --cc drivers/gpu/drm/exynos/exynos_drm_g2d.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_ipp.c
Simple merge

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