qcom-common: powerHAL: some tunings

- set ondemand params to match BFS settings
- take an edge off of interactive
Signed-off-by: Luis Cruz <ljc2491@gmail.com>

Change-Id: I621349a503fe0d3ac3b1e535d95e89f38c40ed35
msm8960: powerHAL: manage ondemand powersave bias

- manage ondemand's powersave bias between screen on/off
	* Powersave bias screen on: 15%
	* Powersave bias screen off: 60%
- also a cpufreq adjustment to match what is compiled in
Signed-off-by: Luis Cruz <ljc2491@gmail.com>

Change-Id: I0ebd5c63e99037105194e2a94d846810a105b7ca