compile with linaro 4.8.3
linux: mm: set readahead 256 kb
 logger: reduce to 128k

save some resources from logger
block: bfq: Squashed update from BFQ-v7r4 to BFQ-v7r5

Change-Id: I749ef141246db7020cec0b10d980ec854a572603
msm: kgsl: added limits to gpu voltages userspace

Conflicts:
	arch/arm/mach-msm/clock-8960.c
msm: kgsl: rework naming convention for gpu undervolt userspace

Conflicts:
	drivers/cpufreq/cpufreq.c
msm: kgsl: make gpu voltage interface sysfs user friendly