BaseTools: use built in dict instead of custom version.

We dont use any feature added by custom dictionary class.

Cc: Liming Gao <liming.gao@intel.com>
Cc: Yonghong Zhu <yonghong.zhu@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Jaben Carsey <jaben.carsey@intel.com>
Reviewed-by: Yonghong Zhu <yonghong.zhu@intel.com>

BaseTools/Source/Python/Eot/EotGlobalData.py

@@ -70,7 +70,7 @@ gSOURCE_FILES = 'Log_SourceFiles.log'
 gOP_SOURCE_FILES = open(gSOURCE_FILES, 'w+')
 
 # Dict for GUID found in DEC files
-gGuidDict = sdict()
+gGuidDict = dict()
 
 # Dict for hard coded GUID Macros
 # {GuidName : [GuidMacro : GuidValue]}