cpufreq: intellidemand: sync with Hammerhead Intellidemand 5.0

Change-Id: I1f122217db2e5ad7f51ffb8e89da711103ab04a8
Signed-off-by: Paul Reioux <reioux@gmail.com>
cpufreq: intellidemand: minor clean up and tailor for APQ8064 devices

Change-Id: I5d704fcae5da0f690e3d9ebe2cd81481ffedac1b
Signed-off-by: Paul Reioux <reioux@gmail.com>
cpufreq: intellidemand: remove obsolete intellidemand 4.x code

Change-Id: Ifab088ffcc782f63c910be01de68f2f2e87dca98
Signed-off-by: Paul Reioux <reioux@gmail.com>