net: fec_ptp: remove redundant initialization of variable val

Variable val is being initialized with a value that is never read,
it is being re-assigned later. The assignment is redundant and
can be removed.
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Reviewed-by: Joakim Zhang <qiangqing.zhang@nxp.com>
Link: https://lore.kernel.org/r/20220123184936.113486-1-colin.i.king@gmail.comSigned-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/ethernet/freescale/fec_ptp.c

@@ -101,7 +101,6 @@ static int fec_ptp_enable_pps(struct fec_enet_private *fep, uint enable)
 	u32 val, tempval;
 	struct timespec64 ts;
 	u64 ns;
-	val = 0;
 
 	if (fep->pps_enable == enable)
 		return 0;