hammerhead: Use QCOM PowerHAL

Change-Id: Ia40f84d2eb511dd1c7c0521706422ddf68e51342
hammerhead: Update build fingerprint and description to KTU84P

Change-Id: Idf7b0bf26acddc7333ce23322be468473c4fc626
hammerhead: Reconfigure sync freq feature

Now that interactive is working properly, there is no
need for overly aggressive cpu freqs. Also, remove
the unused config for target loads.

Change-Id: I36e2fecfc24f0dd7da8224638a902d2c3be83b47
hammerhead: Use less aggressive mount options

 * Reduce potential for FS corruption

Change-Id: I732ac0b4f91d7361a968e26e47ad3c02b2283c46
hammerhead: Optimize I/O scheduling

Inspired by bacon. We aren't suffering from slowdowns
during bootanim, anyway this is the right way to do it.

Change-Id: Icf3d9d6e52926012a4b7fdfdc1456a37ad782e71
hammerhead: Tone down input boost

This is more than enough now and keeps L2 b/w low. Also,
put back target loads.

Change-Id: I993db38fe03f85cf1f011362398f99563b25158c
HammerHead : Add proximity wake flag

Change-Id: I78e677b20a03977d8180726dc64283658ce9c5f9
Merge remote-tracking branch 'upstream/cm-11.0'