arch: arm: lib: optimize memcpy for cortex-A15

The LDRD/STRD instruction is faster than LDM/STM on Cortex-A15.
Also optimized preload cache size for Cortex-A15.

Added USE_LDRDSTRD_OVER_LDMSTM to turn on LDRD/STRD optimization.
Added ARM_PLD_SIZE, default 32. Should set to 64 for Cortex-A15.

Bug 1185248

Signed-off-by: Chandler Zhang <chazhang@nvidia.com>
Reviewed-by: Krishna Reddy <vdumpa@nvidia.com>
Signed-off-by: Pranav Vashi <neobuddy89@gmail.com>
Apply arch: arm: lib: optimize memcpy for cortex-A15 to memutils
Optimize memutils & uaccess w/ memcpy
Fix incorrect pointer type
Fix perms
remove duplicate header-y exports from include/sound/Kbuild
more left behind crap
Increase i2c src freq & decrease vibrator motor amps
sound config update
Set default gov as ondemand
remove old config file, not used
Fix Kernel audit & start 2 add stock comments removed by dorimanx
auditd logcat repeated error prior to fix