BaseTools ConvertMasmToNasm: put filter/map result in tuple for python3

Python 3's filter and map functions returns an iterator which you
can't call len() on. Since we'll want to use len() later, we put the
filter results into a tuple.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>

BaseTools/Scripts/ConvertMasmToNasm.py

@@ -473,7 +473,7 @@ class ConvertAsmFile(CommonUtils):
             self.EmitAsmWithComment(oldAsm, newAsm, endOfLine)
             uses = self.mo.group(3)
             if uses is not None:
-                uses = filter(None, uses.split())
+                uses = tuple(filter(None, uses.split()))
             else:
                 uses = tuple()
             self.uses = uses
@@ -484,7 +484,7 @@ class ConvertAsmFile(CommonUtils):
             self.EmitAsmWithComment(oldAsm, newAsm, endOfLine)
         elif self.MatchAndSetMo(self.publicRe, oldAsm):
             publics = re.findall(self.varAndTypeSubRe, self.mo.group(1))
-            publics = map(lambda p: p.split(':')[0].strip(), publics)
+            publics = tuple(map(lambda p: p.split(':')[0].strip(), publics))
             for i in range(len(publics) - 1):
                 name = publics[i]
                 self.EmitNewContent('global ASM_PFX(%s)' % publics[i])