e1000e: fix spelling errors in comments

Fix some spelling errors and inconsistencies in comment blocks.

Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index 3031d6d..7824bc2 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -1006,7 +1006,7 @@
  * e1000_get_hw_control - get control of the h/w from f/w
  * @adapter: address of board private structure
  *
- * e1000_get_hw_control sets {CTRL_EXT|FWSM}:DRV_LOAD bit.
+ * e1000_get_hw_control sets {CTRL_EXT|SWSM}:DRV_LOAD bit.
  * For ASF and Pass Through versions of f/w this means that
  * the driver is loaded. For AMT version (only with 82573)
  * of the f/w this means that the network i/f is open.
@@ -1032,7 +1032,7 @@
  * e1000_release_hw_control - release control of the h/w to f/w
  * @adapter: address of board private structure
  *
- * e1000_release_hw_control resets {CTRL_EXT|FWSM}:DRV_LOAD bit.
+ * e1000_release_hw_control resets {CTRL_EXT|SWSM}:DRV_LOAD bit.
  * For ASF and Pass Through versions of f/w this means that the
  * driver is no longer loaded. For AMT version (only with 82573) i
  * of the f/w this means that the network i/f is closed.
@@ -1241,6 +1241,11 @@
 
 /**
  * e1000_update_itr - update the dynamic ITR value based on statistics
+ * @adapter: pointer to adapter
+ * @itr_setting: current adapter->itr
+ * @packets: the number of packets during this measurement interval
+ * @bytes: the number of bytes during this measurement interval
+ *
  *      Stores a new ITR value based on packets and byte
  *      counts during the last interrupt.  The advantage of per interrupt
  *      computation is faster updates and more accurate ITR for the current
@@ -1250,10 +1255,6 @@
  *      while increasing bulk throughput.
  *      this functionality is controlled by the InterruptThrottleRate module
  *      parameter (see e1000_param.c)
- * @adapter: pointer to adapter
- * @itr_setting: current adapter->itr
- * @packets: the number of packets during this measurement interval
- * @bytes: the number of bytes during this measurement interval
  **/
 static unsigned int e1000_update_itr(struct e1000_adapter *adapter,
 				     u16 itr_setting, int packets,
@@ -1366,6 +1367,7 @@
 /**
  * e1000_clean - NAPI Rx polling callback
  * @adapter: board private structure
+ * @budget: amount of packets driver is allowed to process this poll
  **/
 static int e1000_clean(struct napi_struct *napi, int budget)
 {
@@ -2000,7 +2002,7 @@
 	    e1000_check_reset_block(hw))
 		return;
 
-	/* managebility (AMT) is enabled */
+	/* manageability (AMT) is enabled */
 	if (er32(MANC) & E1000_MANC_SMBUS_EN)
 		return;