[PATCH] BaseTools:Change judgment symbol "is" to "==" for python3.8

["Fan, ZhijuX" <zhijux.fan@intel.com>]

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BZ:https://bugzilla.tianocore.org/show_bug.cgi?id=2304

build.py and BuildReport.py warning using python 3.8
SyntaxWarning: "is" with a literal. Did you mean "=="?

For comparison of two strings use "==" instead of "is"
The patch is going to fixed this issue.

Cc: Liming Gao <liming.gao@intel.com>
Cc: Bob Feng <bob.c.feng@intel.com>
Signed-off-by: Zhiju.Fan <zhijux.fan@intel.com>
---
 BaseTools/Source/Python/build/BuildReport.py | 2 +-
 BaseTools/Source/Python/build/build.py       | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/BaseTools/Source/Python/build/BuildReport.py b/BaseTools/Source/Python/build/BuildReport.py
index 880459d367..8efa869162 100644
--- a/BaseTools/Source/Python/build/BuildReport.py
+++ b/BaseTools/Source/Python/build/BuildReport.py
@@ -2042,7 +2042,7 @@ class FdReport(object):
         self.VPDBaseAddress = 0
         self.VPDSize = 0
         for index, FdRegion in enumerate(Fd.RegionList):
-            if str(FdRegion.RegionType) is 'FILE' and Wa.Platform.VpdToolGuid in str(FdRegion.RegionDataList):
+            if str(FdRegion.RegionType) == 'FILE' and Wa.Platform.VpdToolGuid in str(FdRegion.RegionDataList):
                 self.VPDBaseAddress = self.FdRegionList[index].BaseAddress
                 self.VPDSize = self.FdRegionList[index].Size
                 break
diff --git a/BaseTools/Source/Python/build/build.py b/BaseTools/Source/Python/build/build.py
index 07f1f21b5d..4b31356a42 100755
--- a/BaseTools/Source/Python/build/build.py
+++ b/BaseTools/Source/Python/build/build.py
@@ -2064,7 +2064,7 @@ class Build():
             if Fdf.CurrentFdName and Fdf.CurrentFdName in Fdf.Profile.FdDict:
                 FdDict = Fdf.Profile.FdDict[Fdf.CurrentFdName]
                 for FdRegion in FdDict.RegionList:
-                    if str(FdRegion.RegionType) is 'FILE' and self.Platform.VpdToolGuid in str(FdRegion.RegionDataList):
+                    if str(FdRegion.RegionType) == 'FILE' and self.Platform.VpdToolGuid in str(FdRegion.RegionDataList):
                         if int(FdRegion.Offset) % 8 != 0:
                             EdkLogger.error("build", FORMAT_INVALID, 'The VPD Base Address %s must be 8-byte aligned.' % (FdRegion.Offset))
             Wa.FdfProfile = Fdf.Profile
-- 
2.14.1.windows.1


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