e1000e: cosmetic change to boolean comparisons

Recent discussions on LKML, kernel-janitors, linux-wireless and netdev
have suggested boolean comparisons should use logical operators instead of
equality comparisons with true/false.
Signed-off-by: NBruce Allan <bruce.w.allan@intel.com>
Tested-by: NAaron Brown <aaron.f.brown@intel.com>
Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>

drivers/net/ethernet/intel/e1000e/80003es2lan.c

@@ -458,7 +458,7 @@ static s32 e1000_read_phy_reg_gg82563_80003es2lan(struct e1000_hw *hw,
 		return ret_val;
 	}
 
-	if (hw->dev_spec.e80003es2lan.mdic_wa_enable == true) {
+	if (hw->dev_spec.e80003es2lan.mdic_wa_enable) {
 		/*
 		 * The "ready" bit in the MDIC register may be incorrectly set
 		 * before the device has completed the "Page Select" MDI
@@ -529,7 +529,7 @@ static s32 e1000_write_phy_reg_gg82563_80003es2lan(struct e1000_hw *hw,
 		return ret_val;
 	}
 
-	if (hw->dev_spec.e80003es2lan.mdic_wa_enable == true) {
+	if (hw->dev_spec.e80003es2lan.mdic_wa_enable) {
 		/*
 		 * The "ready" bit in the MDIC register may be incorrectly set
 		 * before the device has completed the "Page Select" MDI