Fix for Custom Voltage

Signed-off-by: artas182x <artas182x@gmail.com>
Added CPUfreq governor 'wheatley'.

Conflicts:

	drivers/cpufreq/Kconfig
	drivers/cpufreq/Makefile
	include/linux/cpufreq.h

Signed-off-by: artas182x <artas182x@gmail.com>
Added optimized compiler flags.

Signed-off-by: artas182x <artas182x@gmail.com>
Fix for Wi-Fi external modules

Signed-off-by: artas182x <artas182x@gmail.com>
Set the CPU transition latency to the more reasonable value of 40ms.

Signed-off-by: artas182x <artas182x@gmail.com>
Increased default readahead value to 1024kB.

Signed-off-by: artas182x <artas182x@gmail.com>