msm: HTC: elite: reduce delays

* Reduce wait using usleep instead of msleep for critical path delays.
* Use hrtimers for non-critical path delays.

Change-Id: I32be76a808dd1e6abbb310d7fc071cf3c7e89a40
msm: HTC: jet: reduce delays

* Reduce wait using usleep instead of msleep for critical path delays.
* Use hrtimers for non-critical path delays.

Change-Id: Ifc8b237010ac48b05d9e4745d9d84d6e69d7162f
msm: HTC: fighter: reduce delays

* Reduce wait using usleep instead of msleep for critical path delays.
* Use hrtimers for non-critical path delays.

Change-Id: If68edd81cc502ab500f8e56f2a97ac0136b4b75a