a little extra boost when load is high

Signed-off-by: flar2 <asegaert@gmail.com>
up_threshold doesn't change, make it read_mostly

Signed-off-by: flar2 <asegaert@gmail.com>
make sure input boost stuff is disabled

Signed-off-by: flar2 <asegaert@gmail.com>
Rework and clean up

Signed-off-by: flar2 <asegaert@gmail.com>
Signed-off-by: CrackerTeg <crackerteg@gmail.com>

Conflicts:
	drivers/cpufreq/cpufreq_broken.c