Revert "header for phylink-change"

This reverts commit 3c5d8dc.

Author: frank-w

drivers/net/ethernet/mediatek/mtk_eth_soc.h

@@ -1491,13 +1491,11 @@ struct mtk_mux_data {
  */
 struct mtk_mux {
 	struct delayed_work		poll;
-	struct work_struct		reconfig_work;
 	struct gpio_desc		*mod_def0_gpio;
 	struct gpio_desc		*chan_sel_gpio;
 	struct mtk_mux_data		*data[2];
 	struct mtk_mac			*mac;
 	unsigned int			channel;
-	unsigned int			pending_channel;
 	unsigned int			sfp_present_channel;
 };