drm/armada: use DRM_FB_HELPER_DEFAULT_OPS for fb_ops

Cc: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Stefan Christ <contact@stefanchrist.eu>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1479078208-25221-5-git-send-email-contact@stefanchrist.eu

drivers/gpu/drm/armada/armada_fbdev.c

@@ -19,16 +19,10 @@
 
 static /*const*/ struct fb_ops armada_fb_ops = {
 	.owner		= THIS_MODULE,
-	.fb_check_var	= drm_fb_helper_check_var,
-	.fb_set_par	= drm_fb_helper_set_par,
+	DRM_FB_HELPER_DEFAULT_OPS,
 	.fb_fillrect	= drm_fb_helper_cfb_fillrect,
 	.fb_copyarea	= drm_fb_helper_cfb_copyarea,
 	.fb_imageblit	= drm_fb_helper_cfb_imageblit,
-	.fb_pan_display	= drm_fb_helper_pan_display,
-	.fb_blank	= drm_fb_helper_blank,
-	.fb_setcmap	= drm_fb_helper_setcmap,
-	.fb_debug_enter	= drm_fb_helper_debug_enter,
-	.fb_debug_leave	= drm_fb_helper_debug_leave,
 };
 
 static int armada_fb_create(struct drm_fb_helper *fbh,