Revert "Switch to built-in CFG80211 wlan driver"

This reverts commit 4abb56703d8cdacfa55865d773a008c1bdb6bbbb.
Revert "Enable SELinux"

This reverts commit c6c3328d44675c58bfea8d9b2fc51f32fbe5386f.
Bump kernel version to 3.3