Revert "makefile: vectorize for quadword registers"

This reverts commit 1ad642adbce5ffcab9212cc318767764eacc67e5.
Revert "Makefile: Optimizing build-options for linaro"

This reverts commit 66cb1f8287ce308456ffb69fbe46829a65ab8dc5.
Revert "Makefile: Added Snapdragon optimizations"

This reverts commit f2a0443014693d7a57ce50bf45b688649be78633.
Revert "Makefile: adding config variable for Os/O2/O3 compilation"

This reverts commit e3658c374fd8924131f7677dc83d9d46312c00e1.
Revert "ARM: 7670/1: fix the memset fix"

This reverts commit 41571428c07c433e72dbd81740397d23048cdc54.
Revert "ARM: 7668/1: fix memset-related crashes caused by recent GCC (4.7.2) optimizations"

This reverts commit b3bba474655351e1664fc577f490b9b3004cf70a.