Configtool: simplify board config parsing (a little bit).

There should be no functional change. Mostly done for consistency
with other, similar code sections.

configtool/boardpanel.py

@@ -293,10 +293,9 @@ class BoardPanel(wx.Panel):
       if self.parseCandidateValues(ln):
         continue
 
-      elif self.parseDefineValue(ln):
+      if self.parseDefineValue(ln):
         continue
 
-      else:
       m = reDefTS.search(ln)
       if m:
         t = m.groups()