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/fsl_pq_mdio.c b/drivers/net/fsl_pq_mdio.c
index d4bf91a..8d3a2cc 100644
--- a/drivers/net/fsl_pq_mdio.c
+++ b/drivers/net/fsl_pq_mdio.c
@@ -125,7 +125,7 @@
 	struct fsl_pq_mdio __iomem *regs = fsl_pq_mdio_get_regs(bus);
 
 	/* Write to the local MII regs */
-	return(fsl_pq_local_mdio_write(regs, mii_id, regnum, value));
+	return fsl_pq_local_mdio_write(regs, mii_id, regnum, value);
 }
 
 /*
@@ -137,7 +137,7 @@
 	struct fsl_pq_mdio __iomem *regs = fsl_pq_mdio_get_regs(bus);
 
 	/* Read the local MII regs */
-	return(fsl_pq_local_mdio_read(regs, mii_id, regnum));
+	return fsl_pq_local_mdio_read(regs, mii_id, regnum);
 }
 
 /* Reset the MIIM registers, and wait for the bus to free */