Adapt file check to CPU2000

spec.py

@@ -17,7 +17,7 @@ BITSIZE = {
 # assert spec dir
 for subdir in "benchspec config bin result".split():
 	assert os.path.isdir(subdir), "subdir missing: "+subdir
-for filename in "shrc version.txt README".split():
+for filename in "shrc README LICENSE MANIFEST".split():
 	assert os.path.isfile(filename), "file missing: "+filename
 
 parser = optparse.OptionParser(version=SCRIPT_VERSION)