Revert "ARM: 7670/1: fix the memset fix"

This reverts commit 4279b3d1751c53b6c12ab7926859fcb0b78effcd.
Revert "Optimizations 2"

This reverts commit 16395f7155dcc83ee2ded01f69d31d21f5296d2e.
Revert "arch:arm:Makefile: Additional Flag"

This reverts commit 5bacdc449fbf036ebda5059951a92c11c03156a5.