1) Fix a typo in EhcMoniteAsyncRequests.

2) Code cleanup.
3) Doxygen comment cleanup.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7428 6f19259b-4bc3-4df7-8a09-765794883524

MdeModulePkg/Bus/Pci/EhciDxe/EhciDebug.c

@@ -2,7 +2,7 @@
 
   This file provides the information dump support for EHCI when in debug mode.
 
-Copyright (c) 2007, Intel Corporation
+Copyright (c) 2007 - 2009, Intel Corporation
 All rights reserved. This program and the accompanying materials
 are licensed and made available under the terms and conditions of the BSD License
 which accompanies this distribution.  The full text of the license may be found at
@@ -21,8 +21,6 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 
   @param  State    The state in the QTD/QH.
 
-  @return None.
-
 **/
 VOID
 EhcDumpStatus (
@@ -71,8 +69,6 @@ EhcDumpStatus (
   @param  Qtd      The QTD to dump.
   @param  Msg      The message to print before the dump.
 
-  @return None
-
 **/
 VOID
 EhcDumpQtd (
@@ -126,8 +122,6 @@ EhcDumpQtd (
   @param  Msg      The message to print before the dump.
   @param  DumpBuf  Whether to dump the memory buffer of the associated QTD.
 
-  @return None
-
 **/
 VOID
 EhcDumpQh (
@@ -214,8 +208,6 @@ EhcDumpQh (
   @param  Buf      The buffer to dump.
   @param  Len      The length of buffer.
 
-  @return None.
-
 **/
 VOID
 EhcDumpBuf (