fsl/fman: remove leftover comment

Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
diff --git a/drivers/net/ethernet/freescale/fman/fman_mac.h b/drivers/net/ethernet/freescale/fman/fman_mac.h
index ddf0260..dd6d052 100644
--- a/drivers/net/ethernet/freescale/fman/fman_mac.h
+++ b/drivers/net/ethernet/freescale/fman/fman_mac.h
@@ -191,10 +191,6 @@
 	u16 max_speed;
 	/* A handle to the FM object this port related to */
 	void *fm;
-	/* MDIO exceptions interrupt source - not valid for all
-	 * MACs; MUST be set to 0 for MACs that don't have
-	 * mdio-irq, or for polling
-	 */
 	void *dev_id; /* device cookie used by the exception cbs */
 	fman_mac_exception_cb *event_cb;    /* MDIO Events Callback Routine */
 	fman_mac_exception_cb *exception_cb;/* Exception Callback Routine */