phylink: <linux/phylink.h>: fix function prototype kernel-doc warning

Fix a kernel-doc warning for the pcs_config() function prototype:

../include/linux/phylink.h:406: warning: Excess function parameter 'permit_pause_to_mac' description in 'pcs_config'

Fixes: 7137e18f ("net: phylink: add struct phylink_pcs")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Russell King <linux@armlinux.org.uk>
Cc: David S. Miller <davem@davemloft.net>
Cc: netdev@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>

include/linux/phylink.h

@@ -402,7 +402,8 @@ void pcs_get_state(struct phylink_pcs *pcs,
  * For most 10GBASE-R, there is no advertisement.
  */
 int pcs_config(struct phylink_pcs *pcs, unsigned int mode,
-	       phy_interface_t interface, const unsigned long *advertising);
+	       phy_interface_t interface, const unsigned long *advertising,
+	       bool permit_pause_to_mac);
 
 /**
  * pcs_an_restart() - restart 802.3z BaseX autonegotiation