drm/omap: fbdev: avoid double initializer entry

Fix sparse warning:

drivers/gpu/drm/omapdrm/omap_fbdev.c:83:9: warning: Initializer entry defined twice
drivers/gpu/drm/omapdrm/omap_fbdev.c:91:10:   also defined here
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

drivers/gpu/drm/omapdrm/omap_fbdev.c

@@ -80,15 +80,21 @@ static int omap_fbdev_pan_display(struct fb_var_screeninfo *var,
 
 static struct fb_ops omap_fb_ops = {
 	.owner = THIS_MODULE,
-	DRM_FB_HELPER_DEFAULT_OPS,
+
+	.fb_check_var	= drm_fb_helper_check_var,
+	.fb_set_par	= drm_fb_helper_set_par,
+	.fb_setcmap	= drm_fb_helper_setcmap,
+	.fb_blank	= drm_fb_helper_blank,
+	.fb_pan_display = omap_fbdev_pan_display,
+	.fb_debug_enter = drm_fb_helper_debug_enter,
+	.fb_debug_leave = drm_fb_helper_debug_leave,
+	.fb_ioctl	= drm_fb_helper_ioctl,
 
 	.fb_read = drm_fb_helper_sys_read,
 	.fb_write = drm_fb_helper_sys_write,
 	.fb_fillrect = drm_fb_helper_sys_fillrect,
 	.fb_copyarea = drm_fb_helper_sys_copyarea,
 	.fb_imageblit = drm_fb_helper_sys_imageblit,
-
-	.fb_pan_display = omap_fbdev_pan_display,
 };
 
 static int omap_fbdev_create(struct drm_fb_helper *helper,