e1000e: checkpatch warnings - braces

WARNING: braces {} are not necessary for any arm of this statement
WARNING: braces {} are not necessary for single statement blocks

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Emil Tantilov <emil.s.tantilov@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
diff --git a/drivers/net/e1000e/phy.c b/drivers/net/e1000e/phy.c
index e297a23..1781efe 100644
--- a/drivers/net/e1000e/phy.c
+++ b/drivers/net/e1000e/phy.c
@@ -1057,9 +1057,8 @@
 
 	e_dbg("Auto-Neg Advertising %x\n", mii_autoneg_adv_reg);
 
-	if (phy->autoneg_mask & ADVERTISE_1000_FULL) {
+	if (phy->autoneg_mask & ADVERTISE_1000_FULL)
 		ret_val = e1e_wphy(hw, PHY_1000T_CTRL, mii_1000t_ctrl_reg);
-	}
 
 	return ret_val;
 }