drm/nouveau: Remove unnecessary include statements for drm_crtc_helper.h

Several source files include drm_crtc_helper.h without needing it or
only to get its transitive include statements; leading to unnecessary
compile-time dependencies.

Directly include required headers and drop drm_crtc_helper.h where
possible.

Signed-off-by: Thomas Zimmermann <[e-mail]>
Reviewed-by: Sam Ravnborg <[e-mail]>
Acked-by: Jani Nikula <[e-mail]>
Acked-by: Alex Deucher <[e-mail]>
Link: https://patchwork.freedesktop.org/patch/msgid/[e-mail]

drivers/gpu/drm/nouveau/dispnv04/crtc.c

···
  */
 #include <drm/drm_crtc_helper.h>
 #include <drm/drm_fourcc.h>
+#include <drm/drm_modeset_helper_vtables.h>
 #include <drm/drm_plane_helper.h>
 #include <drm/drm_vblank.h>
 

drivers/gpu/drm/nouveau/dispnv04/dac.c

···
  * DEALINGS IN THE SOFTWARE.
  */
 
-#include <drm/drm_crtc_helper.h>
+#include <drm/drm_modeset_helper_vtables.h>
 
 #include "nouveau_drv.h"
 #include "nouveau_encoder.h"

drivers/gpu/drm/nouveau/dispnv04/dfp.c

···
  * DEALINGS IN THE SOFTWARE.
  */
 
-#include <drm/drm_crtc_helper.h>
 #include <drm/drm_fourcc.h>
+#include <drm/drm_modeset_helper_vtables.h>
 
 #include "nouveau_drv.h"
 #include "nouveau_reg.h"

drivers/gpu/drm/nouveau/dispnv04/tvmodesnv17.c

···
  *
  */
 
-#include <drm/drm_crtc_helper.h>
 #include "nouveau_drv.h"
 #include "nouveau_encoder.h"
 #include "nouveau_crtc.h"

drivers/gpu/drm/nouveau/dispnv04/tvnv04.c

···
 #include "nouveau_connector.h"
 #include "nouveau_crtc.h"
 #include "hw.h"
-#include <drm/drm_crtc_helper.h>
+#include <drm/drm_modeset_helper_vtables.h>
 
 #include <drm/i2c/ch7006.h>
 

drivers/gpu/drm/nouveau/dispnv04/tvnv17.c

···
  */
 
 #include <drm/drm_crtc_helper.h>
+#include <drm/drm_modeset_helper_vtables.h>
 #include <drm/drm_probe_helper.h>
 #include "nouveau_drv.h"
 #include "nouveau_reg.h"

drivers/gpu/drm/nouveau/dispnv50/head.c

···
 
 #include <drm/drm_atomic.h>
 #include <drm/drm_atomic_helper.h>
-#include <drm/drm_crtc_helper.h>
 #include <drm/drm_vblank.h>
 #include "nouveau_connector.h"
 

drivers/gpu/drm/nouveau/nouveau_drm.c

···
 #include <linux/dynamic_debug.h>
 
 #include <drm/drm_aperture.h>
-#include <drm/drm_crtc_helper.h>
 #include <drm/drm_drv.h>
 #include <drm/drm_fbdev_generic.h>
 #include <drm/drm_gem_ttm_helper.h>

drivers/gpu/drm/nouveau/nouveau_vga.c

···
 #include <linux/vgaarb.h>
 #include <linux/vga_switcheroo.h>
 
-#include <drm/drm_crtc_helper.h>
 #include <drm/drm_fb_helper.h>
 
 #include "nouveau_drv.h"