MdeModulePkg: 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: Star Zeng <star.zeng@intel.com>

MdeModulePkg/Core/Dxe/Hand/Locate.c

@@ -1,7 +1,7 @@
 /** @file
   Locate handle functions
 
-Copyright (c) 2006 - 2017, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2006 - 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
@@ -457,7 +457,7 @@ CoreLocateDevicePath (
     if (IsDevicePathEndInstance (TmpDevicePath)) {
       //
       // If DevicePath is a multi-instance device path,
-      // the function will operate on the first instance 
+      // the function will operate on the first instance
       //
       break;
     }
@@ -522,7 +522,7 @@ CoreLocateDevicePath (
     return  EFI_INVALID_PARAMETER;
   }
   *Device = BestDevice;
-  
+
   //
   // Return the remaining part of the device path
   //