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/es2lan.c b/drivers/net/e1000e/es2lan.c
index 2d14156..795d433 100644
--- a/drivers/net/e1000e/es2lan.c
+++ b/drivers/net/e1000e/es2lan.c
@@ -213,7 +213,8 @@
 	/* Set rar entry count */
 	mac->rar_entry_count = E1000_RAR_ENTRIES;
 	/* Set if manageability features are enabled. */
-	mac->arc_subsystem_valid = (er32(FWSM) & E1000_FWSM_MODE_MASK) ? 1 : 0;
+	mac->arc_subsystem_valid = (er32(FWSM) & E1000_FWSM_MODE_MASK)
+                        ? true : false;
 
 	/* check for link */
 	switch (hw->phy.media_type) {