msm8960: Remove obsolete flags

Change-Id: Ic85bfe945fa9f1aded84ef7e31ab27569513810e
msm8960: camera: Add flag to disable face detection

 * This works fine on JF. Make it optional for the Derp2

Change-Id: I057446865af61f62db037c9c8d980ade8fd5a698
msm8960: camera: Use hw_get_module_by_class

 * And get rid of the libhardware hack too.
 * Camera blob is renamed to "camera.vendor.msm8960.so"

Change-Id: I64df0491661963452d042ecf85d6eb9feadf1211
apexqtmo/expressatt: fixup preview

apexqtmo and expressatt set incorrect preview sizes for video. Fix this
by setting proper preview sizes and add supported touch to focus modes.

Disable face detection on both cameras since we don't have it.

Change-Id: Id861b1c8d3ea07a82b60c405b05532f7207096f2
Revert "msm8960-common: temporarily disable compressed audio"

This reverts commit 91161e1fbe88b41c41a4572da86e1285ba861b3f.

Change-Id: I83c040c15b337cce4716c0c31a4099b1827e1b3b
msm8960-common: camera: add missing ISO modes

Change-Id: I7217c376b8d240f001dc77405d06a74a9cf3da79