Basetools/GenFds: refactor class FV

1) initialize UiFvName via __init__ parameter. No change to default behavior.
2) initialize 3 empty lists in __init__. Curently not guarenteed initialized.

Cc: Yonghong Zhu <yonghong.zhu@intel.com>
Cc: Liming Gao <liming.gao@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/GenFds/FdfParser.py

@@ -2090,8 +2090,7 @@ class FdfParser:
         if not self._IsToken(TAB_SECTION_END):
             raise Warning("expected ']'", self.FileName, self.CurrentLineNumber)
 
-        FvObj = FV()
-        FvObj.UiFvName = self.CurrentFvName
+        FvObj = FV(Name=self.CurrentFvName)
         self.Profile.FvDict[self.CurrentFvName] = FvObj
 
         Status = self._GetCreateFile(FvObj)
@@ -2102,9 +2101,6 @@ class FdfParser:
 
         self._GetAddressStatements(FvObj)
 
-        FvObj.FvExtEntryTypeValue = []
-        FvObj.FvExtEntryType = []
-        FvObj.FvExtEntryData = []
         while True:
             self._GetSetStatements(FvObj)