e1000e: set bools to true/false instead of 1/0

Set booleans to 'true' or 'false' to make it clear it is a boolean.  Also
change instances of TRUE/FALSE in comments to lowercase true/false.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/e1000e/phy.c b/drivers/net/e1000e/phy.c
index 440f366..99d53fa 100644
--- a/drivers/net/e1000e/phy.c
+++ b/drivers/net/e1000e/phy.c
@@ -834,7 +834,7 @@
 	msleep(100);
 
 	/* disable lplu d0 during driver init */
-	ret_val = e1000_set_d0_lplu_state(hw, 0);
+	ret_val = e1000_set_d0_lplu_state(hw, false);
 	if (ret_val) {
 		e_dbg("Error Disabling LPLU D0\n");
 		return ret_val;
@@ -1545,7 +1545,7 @@
 		break;
 	default:
 		/* speed downshift not supported */
-		phy->speed_downgraded = 0;
+		phy->speed_downgraded = false;
 		return 0;
 	}
 
@@ -1907,7 +1907,7 @@
 		return -E1000_ERR_CONFIG;
 	}
 
-	phy->polarity_correction = 1;
+	phy->polarity_correction = true;
 
 	ret_val = e1000_check_polarity_igp(hw);
 	if (ret_val)