Fix up optimizations WIP

  * Make sure optimizations flags are properly used
  * Switch fpu flag to neong-vfpv4 as krait supports both
  * Add and remove some flags

Change-Id: Ifd35292a7324e183ec2000266f20a7ae477c87b7
Signed-off-by: Josue Rivera <prbassplayer@gmail.com>

Conflicts:
	Makefile
	arch/arm/Makefile
	arch/arm/vfp/Makefile

	modificado: Makefile
	modificado: arch/arm/Makefile
	modificado: arch/arm/vfp/Makefile
Revert "Fix up optimizations WIP"

This reverts commit 8560a4e998959f38b7274f4d9152135c8776cfe5.

Conflicts:
	Makefile
	arch/arm/vfp/Makefile

	modificado: Makefile
	modificado: arch/arm/Makefile
	modificado: arch/arm/vfp/Makefile