Overlay: Enable variable brightness for capacitive buttons (Johnnyslt)
Updated dsp config to support voip (Taken from Evervolv)

Change-Id: I0140a03c9beacb65e11f320b5545dbb2ce3abecb
Revert "Overlay: Enable variable brightness for capacitive buttons (Johnnyslt)"

This reverts commit 137ba63194a76e37d81e3d00898a78d9c907edea.
Ramdisk: remove KSM lines
89kernel: add UKSM and cleanup/fixes