MdePkg: 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>

MdePkg/Library/PeiMemoryLib/MemLibInternals.h

@@ -1,7 +1,7 @@
 /** @file
   Declaration of internal functions for Base Memory Library.
 
-  Copyright (c) 2006 - 2016, 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
@@ -26,7 +26,7 @@
   Copies a source buffer to a destination buffer, and returns the destination buffer.
 
   This function wraps the (*PeiServices)->CopyMem ().
-  
+
   @param  DestinationBuffer   The pointer to the destination buffer of the memory copy.
   @param  SourceBuffer        The pointer to the source buffer of the memory copy.
   @param  Length              The number of bytes to copy from SourceBuffer to DestinationBuffer.
@@ -46,7 +46,7 @@ InternalMemCopyMem (
   Fills a target buffer with a byte value, and returns the target buffer.
 
   This function wraps the (*PeiServices)->SetMem ().
-  
+
   @param  Buffer    The memory to set.
   @param  Size      The number of bytes to set.
   @param  Value     Value of the set operation.