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/Universal/Network/IScsiDxe/Md5.h

@@ -1,7 +1,7 @@
 /** @file
   Header file for Md5.
 
-Copyright (c) 2004 - 2008, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2004 - 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
@@ -19,7 +19,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 #include <Library/BaseLib.h>
 #include <Library/BaseMemoryLib.h>
 #include <Library/NetLib.h>
- 
+
 #define MD5_HASHSIZE  16
 
 typedef struct _MD5_CTX {
@@ -77,4 +77,4 @@ MD5Final (
   OUT UINT8        *HashVal
   );
 
-#endif 
+#endif