common: experimental: build with 3.4.x kernel

* Enable ION
* Disable ARM PIE and legacy camera hacks
* Add patch to enable Qualcomm enhanced audio and LPA
Revert "test: build ION"

This reverts commit 9e57bb1e397c7708e0c2afa09e085ba76d458f08.
Merge branch 'cm-10.2' of https://github.com/TheWhisp/android_device_samsung_msm7x27a-common into cm-10.2
build wifi modules from compat repo