drm/bridge: tc358767: remove unused swing & preemp

swing and preemp fields are not used. Remove them.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190528082747.3631-6-tomi.valkeinen@ti.com

drivers/gpu/drm/bridge/tc358767.c

@@ -188,8 +188,6 @@ struct tc_edp_link {
 	u8			assr;
 	bool			scrambler_dis;
 	bool			spread;
-	u8			swing;
-	u8			preemp;
 };
 
 struct tc_data {