BaseTools: 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>
Cc: Yonghong Zhu <yonghong.zhu@intel.com>
Reviewed-by: Yonghong Zhu <yonghong.zhu@intel.com>

BaseTools/Source/Python/Ecc/CodeFragment.py

@@ -1,7 +1,7 @@
 ## @file
 # fragments of source file
 #
-#  Copyright (c) 2007, Intel Corporation. All rights reserved.<BR>
+#  Copyright (c) 2007 - 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
@@ -161,5 +161,5 @@ class FunctionCalling:
         self.FuncName = Name
         self.ParamList = Param
         self.StartPos = Begin
-        self.EndPos = End        
-        
+        self.EndPos = End
+