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/GenFds/OptRomFileStatement.py

@@ -1,7 +1,7 @@
 ## @file
 # process OptionROM generation from FILE statement
 #
-#  Copyright (c) 2007 - 2017, 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
@@ -18,7 +18,7 @@
 import Common.LongFilePathOs as os
 
 from GenFdsGlobalVariable import GenFdsGlobalVariable
-## 
+##
 #
 #
 class OptRomFileStatement:
@@ -40,10 +40,10 @@ class OptRomFileStatement:
     #   @retval string      Generated FFS file name
     #
     def GenFfs(self, Dict = {}, IsMakefile=False):
-        
+
         if self.FileName is not None:
             self.FileName = GenFdsGlobalVariable.ReplaceWorkspaceMacro(self.FileName)
-        
+
         return self.FileName