arch: add support for USB fast charging (motley)
-Use base from Chad Froebel <chadfroebel@gmail.com> so we continue to
use the same generic sysfs mechanism

Off by default

Turn on:
echo 1 > /sys/kernel/fast_charge/force_fast_charge

Turn off:
echo 0 > /sys/kernel/fast_charge/force_fast_charge
block: initial import of FIOPS io scheduler (n3ocort3x)
Makefile: add compiler flags (ziggy471)
defconfig: enable fiops io and set as default
Enable RWSEM_XCHGADD_ALGORITHM by default (ziggy471)
scripts: add compiler time variables (ziggy471)
vfp: compile vfp with neon (Chad Goodman)
arm/crypto: Add optimized AES and SHA1 routines
Add assembler versions of AES and SHA1 for ARM platforms.  This has provided
up to a 50% improvement in IPsec/TCP throughout for tunnels using AES128/SHA1.

Platform   CPU SPeed    Endian   Before (bps)   After (bps)   Improvement

IXP425      533 MHz      big     11217042        15566294        ~38%
KS8695      166 MHz     little    3828549         5795373        ~51%

Signed-off-by: David McCullough <ucdevel@gmail.com>