Revert "-O3 optimization"

This reverts commit a358de7ce4b2f2b04dc834a2888b27bc8030fb0f.
Revert "config: enable CONFIG_LIB80211 and CONFIG_MAC80211"

This reverts commit 9e9006b171ef2353a59e509a684c9e65da485166.
Merge branch '3.0.31' of https://github.com/TeamCanjica/Samsung_STE_Kernel into 3.0.31