drivers/net: return operator cleanup

Change "return (EXPR);" to "return EXPR;"

return is not a function, parentheses are not required.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/tsi108_eth.c b/drivers/net/tsi108_eth.c
index a03730b..5c633a32 100644
--- a/drivers/net/tsi108_eth.c
+++ b/drivers/net/tsi108_eth.c
@@ -219,7 +219,7 @@
 	if (i == 100)
 		return 0xffff;
 	else
-		return (TSI_READ_PHY(TSI108_MAC_MII_DATAIN));
+		return TSI_READ_PHY(TSI108_MAC_MII_DATAIN);
 }
 
 static void tsi108_write_mii(struct tsi108_prv_data *data,