Expressltexx: Various updates to init.qcom.rc (arco)
Expressltexx: Enable config_enabled_lte
Expressltexx: Build libgenlock

Seems like our old camera HAL needs the libgenlock library, and till it got removed from CM dependency repos, add it back to device.mk.
Merge https://github.com/szezso/android_device_samsung_expressltexx into omni4.4