BaseTools: Remove equality operator with None

replace "== None" with "is None" and "!= None" with "is not None"

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/Ecc/Check.py

@@ -1299,7 +1299,7 @@ class Check(object):
             RecordSet = EccGlobalData.gDb.TblFile.Exec(SqlCommand)
             for Record in RecordSet:
                 Name = Record[1].strip()
-                if Name != '' and Name != None:
+                if Name != '' and Name is not None:
                     if Name[0] == '(':
                         Name = Name[1:Name.find(')')]
                     if Name.find('(') > -1: