ShellPkg: Clean up source files

1. Do not use tab characters
2. No trailing white space in one line
3. All files must end with CRLF

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Liming Gao <liming.gao@intel.com>
Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>

ShellPkg/Library/UefiShellDebug1CommandsLib/HexEdit/MemImage.h

@@ -1,8 +1,8 @@
 /** @file
-  Defines MemImage - the view of the file that is visible at any point, 
+  Defines MemImage - the view of the file that is visible at any point,
   as well as the event handlers for editing the file
-  
-  Copyright (c) 2005 - 2011, Intel Corporation. All rights reserved. <BR>
+
+  Copyright (c) 2005 - 2018, Intel Corporation. All rights reserved. <BR>
   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
@@ -30,7 +30,7 @@ HMemImageInit (
   );
 
 /**
-  Backup function for HDiskImage. Only a few fields need to be backup. 
+  Backup function for HDiskImage. Only a few fields need to be backup.
   This is for making the Disk buffer refresh as few as possible.
 
   @retval EFI_SUCCESS       The operation was successful.