Updated Sigma-WPA2 for removing Cat2 and Cat3 cases. Added 5.2.4 node - New test case WPA2
Updated Sigma-WPA2 for removing Cat2 and Cat3 cases.
Added 5.2.4 node - New test case WPA2

git-svn-id: c15d90c68879a78f23c010891b142a02cbc7d74d@1062 e6edf6fb-f266-4316-afb4-e53d95876a76

jackalchen/Wi-FiTestSuite-UCC,claudelee/Wi-FiTestSuite-UCC,KunYi/Wi-FiTestSuite-UCC,Wi-FiTestSuite/Wi-FiTestSuite-UCC