hlte:  lower the speaker-drv volume.

* fixes speaker crackling issue

Change-Id: I9251eaf6c22288428f49916aa798be4ff3eaaead
Merge in speaker volume fix - get rid of crackling
Merge branch 'cm-11.0' of https://github.com/CyanogenMod/android_device_samsung_hlte-common into cm-11.0