BaseTools: Fix the bug for OptionRom generation with different arch

The GenFds tool uses the same output for the same module with the
different arch, IA32 and X64 module will have the same output. The
solution is add the arch info in the output directory.

Cc: Liming Gao <liming.gao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Yonghong Zhu <yonghong.zhu@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
diff --git a/BaseTools/Source/Python/GenFds/OptionRom.py b/BaseTools/Source/Python/GenFds/OptionRom.py
index 94f77f6..7886a7c 100644
--- a/BaseTools/Source/Python/GenFds/OptionRom.py
+++ b/BaseTools/Source/Python/GenFds/OptionRom.py
@@ -1,7 +1,7 @@
 ## @file

 # process OptionROM generation

 #

-#  Copyright (c) 2007 - 2014, Intel Corporation. All rights reserved.<BR>

+#  Copyright (c) 2007 - 2016, 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

@@ -67,7 +67,7 @@
                     EfiFileList.extend(FilePathNameList)

                 else:

                     FileName = os.path.basename(FilePathNameList[0])

-                    TmpOutputDir = os.path.join(GenFdsGlobalVariable.FvDir, self.DriverName)

+                    TmpOutputDir = os.path.join(GenFdsGlobalVariable.FvDir, self.DriverName, FfsFile.CurrentArch)

                     if not os.path.exists(TmpOutputDir) :

                         os.makedirs(TmpOutputDir)

                     TmpOutputFile = os.path.join(TmpOutputDir, FileName+'.tmp')

@@ -85,7 +85,7 @@
                 FilePathName = FfsFile.GenFfs()

                 if FfsFile.OverrideAttribs != None:

                     FileName = os.path.basename(FilePathName)

-                    TmpOutputDir = os.path.join(GenFdsGlobalVariable.FvDir, self.DriverName)

+                    TmpOutputDir = os.path.join(GenFdsGlobalVariable.FvDir, self.DriverName, FfsFile.CurrentArch)

                     if not os.path.exists(TmpOutputDir) :

                         os.makedirs(TmpOutputDir)

                     TmpOutputFile = os.path.join(TmpOutputDir, FileName+'.tmp')