Set up m5threads tests on classic (non-ruby) memory system.

Just one test (40.m5threads-test-atomic) is set up for now.
These tests require that the m5threads SPARC binaries are present
in /dist or in test-progs.

tests/SConscript

@@ -263,7 +263,7 @@ if env['FULL_SYSTEM']:
 
 else:
     configs += ['simple-atomic', 'simple-timing', 'o3-timing', 'memtest',
-                'simple-atomic-mp', 'simple-timing-mp']
+                'simple-atomic-mp', 'simple-timing-mp', 'o3-timing-mp']
 
 cwd = os.getcwd()
 os.chdir(str(Dir('.').srcdir))