LPM: KitKat bootloader compatibility fix

Should still compatible to JB bootloader

Change-Id: I9fff2896331483903259a49f9aef8c581362e93c
Revert "Revert "smdk4412-common: audio: remove old workaround for call audio issues""

This reverts commit 60fff3489ba5ac717cb78a1855c0ef7c03fcaf18.
Cleanup
Touchwake
NH2: WiFi