X87: turn on some tests of test-serialize

They were disabled by r21661. We turn on it because x87 snapshot can work now.

BUG=
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/568833003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23999 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

test/cctest/cctest.status

@@ -327,19 +327,6 @@
 ##############################################################################
 ['arch == x87', {
 
-  # TODO (weiliang): Enable below tests after fixing the double register
-  # allocation limit in X87 port.
-  'test-serialize/Serialize': [PASS, ['mode == debug', SKIP]],
-  'test-serialize/Deserialize': [PASS, ['mode == debug', SKIP]],
-  'test-serialize/SerializeTwice': [PASS, ['mode == debug', SKIP]],
-  'test-serialize/ContextSerialization': [PASS, ['mode == debug', SKIP]],
-  'test-serialize/ContextDeserialization': [PASS, ['mode == debug', SKIP]],
-  'test-serialize/PartialDeserialization': [PASS, ['mode == debug', SKIP]],
-  'test-serialize/PartialSerialization': [PASS, ['mode == debug', SKIP]],
-  'test-serialize/DeserializeAndRunScript2': [PASS, ['mode == debug', SKIP]],
-  'test-serialize/DeserializeFromSecondSerializationAndRunScript2': [PASS, ['mode == debug', SKIP]],
-  'test-serialize/DeserializeFromSecondSerialization': [PASS, ['mode == debug', SKIP]],
-
   # Test requires turbofan:
   'codegen-tester/CompareWrapper': [SKIP],
   'codegen-tester/ParametersEqual': [SKIP],