[PATCH] BaseTools: array.fromstring and array.tostring removed in python 3.9

["fengyunhua" <fengyunhua@byosoft.com.cn>]

array.fromstring and array.tostring deprecated, and alias for
array.frombytes and array.tobytes. Deprecated since version 3.2,
have been removed in version python 3.9.

Cc: Bob Feng <bob.c.feng@intel.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Signed-off-by: Yunhua Feng <fengyunhua@byosoft.com.cn>
---
 BaseTools/Source/Python/Eot/EotMain.py                 | 10 +++++-----
 BaseTools/Source/Python/GenFds/GenFdsGlobalVariable.py |  4 ++--
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/BaseTools/Source/Python/Eot/EotMain.py b/BaseTools/Source/Python/Eot/EotMain.py
index 791fcdfeae..08bb2de172 100644
--- a/BaseTools/Source/Python/Eot/EotMain.py
+++ b/BaseTools/Source/Python/Eot/EotMain.py
@@ -152,11 +152,11 @@ class CompressedImage(Image):
         try:
             TmpData = DeCompress('Efi', self[self._HEADER_SIZE_:])
             DecData = array('B')
-            DecData.fromstring(TmpData)
+            DecData.frombytes(TmpData)
         except:
             TmpData = DeCompress('Framework', self[self._HEADER_SIZE_:])
             DecData = array('B')
-            DecData.fromstring(TmpData)
+            DecData.frombytes(TmpData)
 
         SectionList = []
         Offset = 0
@@ -196,7 +196,7 @@ class Ui(Image):
         return len(self)
 
     def _GetUiString(self):
-        return codecs.utf_16_decode(self[0:-2].tostring())[0]
+        return codecs.utf_16_decode(self[0:-2].tobytes())[0]
 
     String = property(_GetUiString)
 
@@ -738,7 +738,7 @@ class GuidDefinedImage(Image):
                 Offset = self.DataOffset - 4
                 TmpData = DeCompress('Framework', self[self.Offset:])
                 DecData = array('B')
-                DecData.fromstring(TmpData)
+                DecData.frombytes(TmpData)
                 Offset = 0
                 while Offset < len(DecData):
                     Sec = Section()
@@ -759,7 +759,7 @@ class GuidDefinedImage(Image):
 
                 TmpData = DeCompress('Lzma', self[self.Offset:])
                 DecData = array('B')
-                DecData.fromstring(TmpData)
+                DecData.frombytes(TmpData)
                 Offset = 0
                 while Offset < len(DecData):
                     Sec = Section()
diff --git a/BaseTools/Source/Python/GenFds/GenFdsGlobalVariable.py b/BaseTools/Source/Python/GenFds/GenFdsGlobalVariable.py
index dc1727c466..124dc43199 100644
--- a/BaseTools/Source/Python/GenFds/GenFdsGlobalVariable.py
+++ b/BaseTools/Source/Python/GenFds/GenFdsGlobalVariable.py
@@ -463,12 +463,12 @@ class GenFdsGlobalVariable:
                     GenFdsGlobalVariable.SecCmdList.append(' '.join(Cmd).strip())
             else:
                 SectionData = array('B', [0, 0, 0, 0])
-                SectionData.fromstring(Ui.encode("utf_16_le"))
+                SectionData.frombytes(Ui.encode("utf_16_le"))
                 SectionData.append(0)
                 SectionData.append(0)
                 Len = len(SectionData)
                 GenFdsGlobalVariable.SectionHeader.pack_into(SectionData, 0, Len & 0xff, (Len >> 8) & 0xff, (Len >> 16) & 0xff, 0x15)
-                SaveFileOnChange(Output, SectionData.tostring())
+                SaveFileOnChange(Output, SectionData.tobytes())
 
         elif Ver:
             Cmd += ("-n", Ver)
-- 
2.27.0.windows.1