hlte-common: Move camera wrapper to device repo.

Change-Id: I10a306c27f524e70fc49dcba68d6a7a97b6eeadb
hlte-common: Clean up fstab, and mount code in init.
Clean up init

Conflicts:
	system_prop.mk
hlte-common: Remove gps.conf as a prebuilt.
More clean up and fstab update
Hlte-common: Move camera target to device repos
Revert fstab and init commits until I know why the phone dont boot
Remove init.carrier.rc move to init.qcom.rc
hlte-common: Clean up camera wrapper code

* Make static functions static
* Code formatting
* Standardize function signatures
remove hlte TARGET_KERNEL_VARIANT_CONFIG

Change-Id: I358cf875d90b0f4af1e77d6e930dea1e88473ba8
set to zion mainline kernel

Change-Id: Iada7030a7d961b97efbc5b149c82c35c9ddbb390