lib: Use glibc instead arch lib.
Conflicts:
	lib/Kconfig

Change-Id: Id28b09c360dddf16d4703a396432ee72de13ee19
int_sqrt.c: Correction square root algo with naming
string: Remove memchr export
int_sqrt: Improve 3x faster integer sqrt.

Result on 10,000,000 call.
Old:
sqrt(12345689) = 3513
real	0m0.768s
user	0m0.760s
sys	0m0.004s

New:
sqrt(12345689) = 3513
real	0m0.222s
user	0m0.224s
sys	0m0.000s
Makefile Optimizations

Change-Id: I19452848f831b0ecf9f3c8d4d1f92908ef6ad075
Add arch/arm makefile optimizations

Change-Id: I0c2ad0495c1684e3f659c0402f69e36c6eb09b5e
Linaro 4.8 Optimizations @ramgear

Change-Id: I89a3382ad75e59f9e6e0f8c98676eefd5faf1e8e

Conflicts:
	Makefile
mnoaligned flag doesn't work on GCC 4.7 so get rid of it in Makefile

Change-Id: I6dffc50fde6d0fb8119688e4ecd51ec0207dcf89
halfbreed calibration

Change-Id: I699ca28b428bbb4e5ccf5f0adcf35f2f99b240d3
Get rid of useless userspace CPU governor

Change-Id: I399fc615a47e0824ecf5b66ed5601511e3f5a2ab

Conflicts:
	arch/arm/configs/geespr_defconfig