Implemented Wolfson Sound (Optional, disabled by default)
Arch arm : Correctly handle unaligned access + arch_extension sec + cpu_alignment
build_env: block unaligned-access code generation
mmc: disable crc for better performance
arm: Neon & hard-float support
ARM: Add optimised swahb32() byteswap helper
ARM-spinlock: use ticket algorithm for ARMv6+ locking implementation
ARM: L1 cache optimization
Some Build tweaks
Implemented Adaptive Body Bias (ABB)
Added v3.9 defconfig and updated build script