Makefile: add some optimization flags for ARM

Signed-off-by: faux123 <reioux@gmail.com>

Conflicts:
	Makefile
Makefile: update to work with GCC 4.7 toolchain

Signed-off-by: Paul Reioux <reioux@gmail.com>

Conflicts:
	Makefile
CPU OVERCLOCKING: initial CPU Overclocking for Snapdragon 800 Socs

Signed-off-by: Paul Reioux <reioux@gmail.com>

Conflicts:
	arch/arm/mach-msm/Kconfig